By Ashok Prasad, Founder, Niyyam
Published: March 2026
Introduction
Most investors in India spend their time searching for the best mutual funds.
But the smarter question is:
Which mutual funds should you avoid?
Because in investing, your returns are not just decided by what you choose —
They are heavily impacted by what you avoid.
A single poor mutual fund can:
- Pull down your overall portfolio
- Reduce long-term compounding
- Increase unnecessary risk
- Delay your financial goals
In fact, many investors who complain about “mutual funds not working” are actually holding bad funds, not bad asset classes.
If you understand how to filter out weak funds, your investing journey becomes significantly smoother.
Before you even think about investing, it’s equally important to understand
How to Choose the Best Mutual Fund in India (2026 Guide) — because selection and rejection go hand in hand.
💡 Key Takeaways
- Avoid funds that consistently underperform their benchmark over 3–5 years
- High expense ratio without strong returns is a clear red flag
- Frequent fund manager changes indicate instability
- Inconsistent returns are more dangerous than low returns
- Very small and very large AUM funds both carry risks
- Thematic funds are high-risk and not suitable for most investors
- Past returns should never be the only selection criterion
- Avoiding bad funds improves returns more than chasing top performers
Direct Answer
You should avoid mutual funds in 2026 that consistently underperform, charge high fees without delivering returns, show frequent management changes, or follow unclear and risky strategies. Focus on consistency, cost efficiency, and long-term stability instead of chasing short-term returns.
Why Avoiding Bad Mutual Funds is Critical
Most investors believe that even an average fund will deliver reasonable returns over time.
This is not always true.
Reality of Fund Quality
| Fund Type | Outcome |
|---|---|
| Strong fund | Consistent compounding |
| Average fund | Slow wealth creation |
| Poor fund | Wealth erosion |
The biggest problem with a bad fund is not just low returns.
It is what breaks the compounding cycle.
For example:
- A fund that underperforms by even 3–4% annually can result in massive wealth loss over 10–15 years
If you are building long-term wealth through SIP, understanding
SIP vs Lumpsum Investing in India: Which Strategy Builds More Wealth in 2026? will further help you see how fund quality affects outcomes.
Red Flag 1: Consistent Underperformance
The first and most important sign to avoid a mutual fund is consistent underperformance.
Example
| Period | Fund Return | Benchmark |
|---|---|---|
| 1 Year | 8% | 12% |
| 3 Years | 10% | 14% |
| 5 Years | 11% | 15% |
This indicates:
- Poor stock selection
- Weak strategy
- Inefficient management
What You Should Do
- Check performance across multiple time periods
- Focus on 3-year and 5-year data
- Compare with the benchmark and category average
Key Point:
One bad year is acceptable. Consistent underperformance is not.
Red Flag 2: High Expense Ratio Without Justification
Every mutual fund charges a fee, but not every fund deserves it.
Expense Ratio Comparison
| Fund Type | Expense Ratio |
|---|---|
| Index Funds | 0.1% – 0.5% |
| Active Funds | 1% – 2% |
Danger Scenario
| Condition | Interpretation |
|---|---|
| High cost + low return | Avoid immediately |
| High cost + high return | Acceptable |
| Low cost + stable return | Good option |
Even a small difference in cost can significantly impact long-term returns.
If you’re building a long-term portfolio, understanding cost vs return trade-offs is crucial, which is also covered in
Mutual Fund vs Direct Stock Investing in India (2026 Guide).
Key Point:
Higher cost must always be justified by better performance.
Red Flag 3: Frequent Fund Manager Changes
A mutual fund is not just a product — it is actively managed by a person or team.
Frequent changes in fund managers can lead to:
- Strategy shifts
- Portfolio reshuffling
- Risk inconsistency
Example
| Year | Manager |
|---|---|
| 2022 | Manager A |
| 2023 | Manager B |
| 2024 | Manager C |
What You Should Do
- Check fund manager tenure
- Prefer funds with stable leadership
- Avoid funds with frequent changes
Key Point:
Consistency in management often leads to consistency in returns.
Red Flag 4: Very Small or Very Large AUM
AUM (Assets Under Management) impacts how a fund operates.
AUM Risk Breakdown
| AUM Size | Risk |
|---|---|
| Below ₹100 Cr | Low stability |
| ₹500 Cr – ₹20,000 Cr | Balanced |
| Above ₹50,000 Cr | Limited flexibility |
Why It Matters
- Small funds may struggle to survive
- Large funds may find it difficult to generate alpha
What You Should Do
- Prefer funds in a balanced AUM range
- Avoid extremes unless justified
Key Point:
Size affects both flexibility and performance.
Red Flag 5: Inconsistent Returns
Many investors get attracted to funds that show high returns in certain years.
But inconsistency is a bigger risk.
Example
| Year | Return |
|---|---|
| 2021 | 25% |
| 2022 | -5% |
| 2023 | 18% |
| 2024 | 2% |
This creates:
- Uncertainty
- Emotional investing decisions
- Difficulty in goal planning
If you’re planning long-term wealth creation, consistency matters more, which is also discussed in
How to Build a ₹1 Crore Portfolio with SIP (2026 Guide).
Key Point:
Stable returns are more valuable than unpredictable spikes.
Red Flag 6: Poor Portfolio Construction
The way a fund is structured tells you a lot about its quality.
Portfolio Risk Table
| Structure | Risk |
|---|---|
| 100+ stocks | Diluted returns |
| Less than 15 stocks | High concentration risk |
Ideal Characteristics
- Balanced diversification
- Clear strategy
- Alignment with category
Key Point:
A good portfolio balances risk without diluting returns.
Red Flag 7: Thematic and Trend-Based Funds
Thematic funds focus on specific sectors like:
- Technology
- Pharma
- Infrastructure
These funds can deliver high returns during favorable cycles but carry significant risks.
Cycle Impact
| Phase | Outcome |
|---|---|
| Sector boom | High returns |
| Sector slowdown | Sharp losses |
These are better understood when you learn category differences in
Large Cap vs Mid Cap vs Small Cap Funds Explained (2026 Guide).
What You Should Do
- Avoid heavy allocation
- Invest only if you understand the sector
Key Point:
Thematic funds are not suitable for most investors.
Red Flag 8: Blindly Following Past Returns
This is one of the most common mistakes.
Investors often choose funds based on recent top performance.
Example
| Year | Top Fund | Next Year |
|---|---|---|
| 2022 | Fund A | Underperformed |
| 2023 | Fund B | Average |
Why This Happens
- Market cycles change
- Strategies stop working
- Valuations shift
Key Point:
Past performance is useful, but not reliable alone.
Quick Rule of Thumb
Avoid any mutual fund that shows:
- Consistent underperformance
- High costs without results
- Frequent manager changes
- Unclear or risky strategy
- Extreme inconsistency
Common Mistakes Investors Make
- Chasing high returns blindly
- Ignoring costs
- Not reviewing portfolio regularly
- Following tips or trends
- Investing without understanding
Impact
| Mistake | Outcome |
|---|---|
| Poor selection | Low returns |
| No monitoring | Holding weak funds |
| Emotional decisions | Loss of discipline |
Advanced Insight (Very Important)
The biggest difference between average and smart investors is this:
Smart investors eliminate bad options first.
Selection Framework
| Step | Action |
|---|---|
| Step 1 | Remove underperformers |
| Step 2 | Check consistency |
| Step 3 | Evaluate cost |
| Step 4 | Analyze portfolio |
| Step 5 | Review management |
Outcome Comparison
| Portfolio Type | Result |
|---|---|
| Includes weak funds | Lower returns |
| Filters bad funds | Strong growth |
Key Point:
Avoiding mistakes improves returns more than chasing winners.
Conclusion
Mutual fund investing is not just about finding the best funds.
It is about avoiding the wrong ones.
If you can filter out weak funds:
- Your portfolio becomes stronger
- Your returns become more stable
- Your financial journey becomes smoother
Final Verdict
- Avoid inconsistent and underperforming funds
- Focus on cost efficiency and stability
- Do not chase trends or short-term performance
- Review your investments regularly
A strong portfolio is built through smart filtering, not just smart selection.
Final Thought
You don’t need the best mutual fund to succeed.
You just need to avoid the worst ones consistently.
Frequently Asked Questions (FAQs)
1. How often should I review my mutual funds?
Every 6 to 12 months is sufficient.
2. Should I exit after one year of poor performance?
No, focus on long-term trends.
3. Are high-expense-ratio funds always bad?
No, but they must justify the cost.
4. Are thematic funds completely avoidable?
Not completely, but exposure should be limited.
5. Can a poor fund recover?
Yes, but depending on that is risky.
Disclaimer
This content is for educational purposes only and does not constitute investment advice.
Mutual fund investments are subject to market risks. Investors should read all scheme-related documents carefully before investing and consider their financial goals, risk tolerance, and investment horizon.
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