10 Investment Mistakes That Cost Indian Investors Lakhs Every Year

By
Hemant Beniwal
-
40
10 Investment Mistakes to Avoid by Investor

Last Updated on April 23, 2026 by Hemant Beniwal

“The stock market is designed to transfer money from the active to the patient.” – Warren Buffett

How many investment mistakes have you made in the last 12 months?

If your answer is “none,” you’re either lying or you’re not investing at all. Every investor makes mistakes. The difference between those who build wealth and those who don’t isn’t the absence of errors. It’s the speed at which they recognise and correct them.

After 25 years of reviewing portfolios, I’ve seen the same 10 mistakes repeat themselves across thousands of investors. Senior executives earning ₹50 lakh a year make the same errors as first-time investors. The mistakes aren’t about intelligence. They’re about behaviour, emotion, and the illusions we carry about how markets work.

Quick Answer

The 10 most common investment mistakes in India: no plan, short time horizon, chasing past returns, timing the market, mixing insurance with investment, following the herd, excessive churning, unrealistic expectations, refusing to accept losses, and over-monitoring. SEBI data shows 91% of individual F&O traders lost money, averaging ₹1.1 lakh per year. Most mistakes are behavioural, not technical.

10 Investment Mistakes to Avoid by Investor

10 Investment Mistakes Every Indian Investor Must Avoid

1. No Investment Plan Critical

People buy products without a plan. In the name of “investment,” they accumulate insurance policies, random mutual funds, and fixed deposits with no strategy connecting them. No wind is right unless you know which harbour you’re sailing to.

Vikram (name changed), a 46-year-old CTO in Pune, had 14 “investments” when he came to me. Three ULIPs, four traditional insurance plans, two ELSS funds from different agents, three FDs, a PPF, and an NPS. When I asked him what financial goal each one was linked to, he went silent. None of them were linked to anything. They were just products bought impulsively over 15 years.

2. Too Short a Time Horizon

The most powerful wealth creation tool isn’t a product. It’s time. But investors want quick returns even when their goals are 15-20 years away. They take unnecessary risks like F&O trading or stock picking to “speed things up.” SEBI data shows 91% of individual F&O traders lost an average of ₹1.1 lakh per year. Patience isn’t just a virtue in investing. It’s the entire strategy.

Must Read – 15 Types of Risk in Investment Every Indian Should Know

3. Chasing Last Year’s Best Performer

The fund that gave 40% last year becomes everyone’s favourite. But recent past performance is one of the worst predictors of future returns. The small-cap fund that topped the charts in 2024 might be at the bottom in 2026. Always look at 5-10 year track records, and even then, treat them as just one data point, not the whole picture.

4. Trying to Time the Market

“I’ll invest when the market corrects.” How many people said that in 2020, 2022, and 2024? And how many of them actually invested at the bottom? Almost none. Even professional fund managers can’t consistently time the market. The more you try, the worse your returns get. In the stock market, inactivity often beats activity.

Time IN the market > Timing the market. A ₹10,000 monthly SIP in Nifty 50 over 20 years (2004-2024) turned into ₹1.2 Cr regardless of when you started.

Investing Mistakes to Avoid

5. Mixing Insurance with Investment Critical

Insurance is for protection today: “What if the breadwinner is no more?” Investment is for the future: “In 15 years, I need ₹50 lakh for my daughter’s education.” Mixing these two is like wearing a raincoat to a swimming pool. It doesn’t serve either purpose well. A pure term plan for insurance and mutual funds for investment will always outperform any combo product.

6. Following the Herd

Investment is not football where teamwork wins. It’s chess where individual strategy matters. When your colleague makes money in a stock, your brain tells you “I should’ve bought that too.” But you never hear about the 5 stocks he lost money on. Herd mentality is amplified in 2026: WhatsApp groups, Telegram channels, and “finfluencers” with zero SEBI registration are driving millions of retail investors into decisions based on FOMO, not fundamentals.

Must Read – 7 Simple Steps to Effective Investment Strategies for Young Investors

7. Excessive Portfolio Churning

Switching funds every 6 months because something else “looks better” does only two things: it increases your tax burden and makes your distributor richer. Many distributors and bankers actively encourage churning because it generates fresh commissions for them. You’re not a client in that relationship. You’re a target.

8. Unrealistic Return Expectations

Expecting 20% returns consistently from equity is like expecting it to rain perfectly on your farm every monsoon. Equity returns are linked to economic growth. If India grows at 10-12% nominally, equity will give you 12-15% over the long run. FDs will give you what the interest rate environment allows. Anyone promising more is either naive or lying.

9. Refusing to Accept a Loss

What would you do if you took a wrong turn while driving? You’d turn back, even if it costs you time and petrol. But most investors don’t apply this logic to their portfolio. They hold onto a losing stock because “selling means accepting the loss.” But the loss already exists. Selling just makes it visible. Not selling doesn’t make it disappear.

10. Over-Monitoring Your Investments

Checking your portfolio every day is not discipline. It’s addiction. And it’s harmful. The more you watch, the more likely you are to react to noise instead of signal. Give your investments time to grow. Review quarterly. Rebalance annually. The rest of the time, live your life.

Making More Than 3 of These Mistakes Right Now?

A structured portfolio review can identify what’s costing you money and fix it before it compounds further.

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What Nobody Tells You About Investment Mistakes

Here’s the part that most “top 10 mistakes” articles leave out.

The costliest investment mistake isn’t any single wrong decision. It’s the cumulative effect of small, invisible errors compounding over decades. A 1% higher expense ratio on your mutual funds sustained over 25 years on a ₹50 lakh portfolio costs you roughly ₹35-40 lakh in lost returns. You’ll never notice it because it doesn’t show up as a “loss” anywhere. It’s the money you never made.

Similarly, staying in an expensive insurance plan instead of switching to term plan plus mutual fund can cost ₹20-30 lakh over 20 years. The agent won’t tell you this. The insurance company won’t show you this.

The biggest investment mistakes aren’t the dramatic ones. They’re the quiet ones that compound silently while you’re not watching.

Your Investments Should Work as Hard as You Do

A financial plan that catches these invisible costs is worth more than the best stock pick.

Book a Free 30-Min Call

Frequently Asked Questions

What is the biggest investment mistake in India?

Investing without a plan. Most Indians accumulate financial products over the years without any strategy connecting them to specific life goals. This leads to overlapping investments, gaps in protection, and poor returns despite decades of saving.

Why do retail investors lose money in the stock market?

SEBI data shows 91% of individual F&O traders lost an average of ₹1.1 lakh per year. The main reasons: trying to time the market, following tips from unregistered advisors, overtrading, and letting emotions like FOMO and panic drive decisions. Most losses come from speculating, not investing.

How can I avoid common investment mistakes?

Start with a written financial plan linked to specific goals. Use a pure term plan for insurance and mutual funds for wealth creation. Invest through SIPs for discipline. Review your portfolio quarterly, not daily. Work with a SEBI-registered advisor who puts your interests first.

Is it wrong to check my portfolio daily?

Checking daily doesn’t help. It increases anxiety and the temptation to react to short-term noise. The best approach: review quarterly, rebalance annually, and only make changes when your life circumstances change – not when markets move.

The market forgives bad timing. It doesn’t forgive bad behaviour repeated for decades.

It’s not a Numbers Game… It’s a Mind Game.

Your Turn

Which of these 10 mistakes have you made? And more importantly, which one are you still making right now? Be honest in the comments.

40 COMMENTS

  2. Hi Hemant,
    Your E-Courses are great.
    After reading articles , I am planning to start at least 1 SIP for now.
    I decided to go for HDFC top 200 through SIP of 5000 for 10 yrs. (based on its good record over yrs)
    I have few questions regarding SIP.
    1. Can I break SIP in mid say after 3 yr , any charges ?
    2. Have a SIP for 10 yr or
    Start SIP for 5 yr and after 5 yr start another SIP for 5 yr and remain invested with previous SIP , so that any time first one can redeem . Which one is good ?

    Kindly let me know your opinion.

    Thanks ,

    Regards
    Sandeep

  5. sir my age is 35yrs & married have a mother and no kids but planning.

    I have 25000/- extra amount for investment every month in mutual fund in the form of SIP

    PLEASE suggest me some good mf. my target is to earn 15000000 to 20000000 after 20years

  7. dear sir

    i want to take 4 good return sip mutual fund and i am a long term investor plz suggest me which one i have to take

    regards

    • Dear Pramod, as Sir Himant has clearly stated in article point 6 that investment is not a game of football where team work is required. It is a game of chess where each individual has to plan for his unique need and situation.

      so we have to educate ourselves, and this is the only better way.

  8. Hi Hemant,

    I have query on loan-repayment.
    We have 2 home loans.
    1st is already fully disbursed and currently on the 5th year of payment and we are staying in that house.
    2nd is a new loan which is half disbursed (2 yrs over, full emi started and pinching 🙁 ..), still waiting on the builder to complete the house.
    My query is if we have some surplus cash (say 10 lakhs), is it wise to repay the old loan or use this money for the 2nd house and freeze the 2nd loan amt to a lower limit? One catch is that builder itself is not sure if they can complete the house within next 6 months and freezing the loan amt can be done only after registration as per my knowledge.

    Please advice.
    Note: Old loan int is 12 % and new ones is 11%.total emi 70k.
    Thanks,
    MB

  10. Hi Hemanth,

    Recently I have joined ,

    First decision I have taken not to go Child Insurance which I was planned

    IInd Immediately going for Term Insurance

    I say thank you very much for sharing your knowledge.

  11. Hi Hemant,

    I am 28yrs working women. I have absolutely zero knowledge about finances, though i have invested in few MF’s, some one time investments and some via SIP. I ahve subscribed to your 8-weeks E-guide. However, given the time constraints that i have, managing a house, a 8month old daughter and my job would it be wise for me to get my invesetments planned by a financial planner?

  12. Sir,
    Presently I am invested in Three SIP
    1. SBI MSFU CONTRA FUND DIVIDEND Rs. 500/-
    2. SBI MSFU EMERGING BUSINESS FUND DIVIDEND RS. 1000/-
    3. UTI CONTRA FUND DIVIDEND Rs.500/-
    I want to invest Rs. 1000/- additionally. Please suggest me the Mutual fund for this investment

  14. Thanks again, will you consider writing about how to prepare a will so that all my investment will be take care of after I m gone without creating any problems for my family, should I include the name of my wife in all my investment?
    Regards

  15. Thanks Hemant ji,
    will stop all sip from SBI except Emerging market and Gold fund,
    the next option is to buy Sip from 3 other Fund house, do you think I should have some debt instrument in my folio? I want to inform you that I m working in saudi arabia and it was easy to access SBI net work for this reason,
    and the interesting thing is that I have to wait a few more month before I go to india, then only I can get SIP dont in other fund, till then will it be advisable to
    continue the SIP in SBI?
    Thanks for your advice.
    Please keep posting your article.

  16. Hello sir , I am very happy to hear suggestions from you. I Have invested in some products
    1)L.I.C Endoment policy from 28/3/2005 10,000Rs Per year.
    2)L.I.C Asha Deep ” ” 7/8/2007 till 7/5/2012
    3)I.C.I.C.I Children plan ” ” 20/8/2008 12,000 Rs Per year.
    4)I.C.I.C.I Health plane ” ” 10/ 9/2011 20,000 Rs Per year.
    5)S.B.I life Unit plus -11 Regular ” ” 21/7/2009 till 21/7/2011 50,000 Rs per year .
    6)S.B.I life Smart Ulip ” ” 1/1/2010 till 1/1/2012 50,000Rs per year.

    and on December, i am going to invest in S.B.I Pention Plane . so ,tell me what necessary things to be taken in my portfolio.
    Thanks you ……..

  17. Really your advice & the art of describing it are simply pleasant. My problem is in the mistake series 9. I have invested in Principal Tax saving SIP & Personal tax sever fund both in Principal MF in year 2008. At present the value seems to be less in totality. Should I hold the same for long term or sale it off & come back in right route. Pl advice.
    Thanks in advance …..
    Subhasis Gupta

  18. Boss your financial literate series is gr8. I can say that your every point is making your readers gain financial knowledge. Keep on…
    Thanx a lot for this invaluable knowledge.

  19. hi Hemant ji,
    My biggest mistake is to invest money in SIP in 4 MF scheme in one fund house since last 4 years,
    Option 1 -what if I go for STP from the other 3 fund and move all my fund to one fund of the same fund house. Do you think its a good idea?
    Option 2 – close the other 3 fund and open one new fund from other fund house?
    Option 3 – leave it as it is and go for new fund house?
    By the way after 4 years the value had appreciated to 17.45%.
    Wish I read your article four years back.
    Thanks for making us financially aware.

  20. Hello Sir,
    My Investmentz are as follows.
    1. Government Provident Fund – Rs.6000/- per month
    2. ICICI Predencial Focused Bluechip Equity Fund – Rs.1000/- per month
    3. HDFC Equity Fund – Rs.1000/- per month
    4. Reliance Gold Saving Fund – Rs.500/- per month
    5. LIC Saral Jeevan Policy – Rs.255/- per month
    6. LIC Money Back Policy – Rs.268/- per month
    7. LIC Life Insurance – Rs.800/- per year
    8. Postal Life Insurance- Rs.2200/- per year
    9. ICICI Predencial Lifestage Pension Advantage Policy – Rs.15000/-
    per year
    10. PEARL’s Recurring Deposite – Rs.1700/- per year
    ARE THESE INVESTMENTS GOOD FOR ME? I am a salaried person. I pay Rs.5500/- per month For HOME LOAN. I want to invest Rs.2500/- per month more.Suggest me Two or Three Best SIPs. Please send me your Reply on my E-mail Address Also.
    THANKING YOU.

    Yours Faithfull,
    Mahesh

    • Hello Sir,
      My Investmentz are as follows.
      1. Government Provident Fund – Rs.6000/- per month
      2. Maxnewyark life insurance -Amway(Bigness Bildding)– Rs.65000/- per year
      3. LIC jivan Aanand– Rs.14000/- per qurt.
      ARE THESE INVESTMENTS GOOD FOR ME? I am a salaried person. I pay Rs.3883/- per month For HOME LOAN. I want to invest Rs.2500/- per month more.Suggest me Two or Three Best SIPs. Please send me your Reply on my E-mail Address Also.
      THANKING YOU.

      Yours Faithfull,
      Rajeev Kumar Singhal

  22. I have invested around 3 L into SBI life and HDFC Standard life insurance (Unplanned Investment). now the scene is these policies have completed 3 years and at present their fund value is less than 2.5 L collectively.

    My advisor (who is my friend apparently) is stressing on keeping investments for at least 3 more years and assures me that I will enjoy minimum double benefit. (which is hard to believe)

    I would like to know if this will really take good shape..? looking at the present situation; I am ok even if I am getting at least invested money back.

    Thanks in advance..!

    Regards,
    Manoj.

    • Dear Manoj,
      pl. see the portfolio of your investment.it is important to manage that .make a balance between equity & debt .putting all your money in equity may leave you in such situation.you can your self do it or takr help from your advisor.

    • Hi Jai,

      Agreeing & following are 2 different things – but it’s good that you stressed on following. 😉

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