📚 PASS Investment Adviser (Level 2) Difficulty: Beginner ℹ️ Info   ~5 min read
📌 Chapter 10.3 — Mutual Funds

Imagine you are reviewing a client’s portfolio for long-term tax planning. The client holds shares of a blue-chip company purchased in 2015 for Rs. 500 per share. As of January 31, 2018, the stock price was Rs. 800, and it is currently trading at Rs. 1,200. Calculating the capital gains tax liability requires you to apply the ‘grandfathering’ provision introduced in the Finance Act 2018, which ensures that gains accrued until that date are protected from the long-term capital gains (LTCG) tax regime introduced that year.

To compute the cost of acquisition for these shares, the law mandates a comparison method known as the ‘Fair Market Value’ (FMV) cap. You must determine the higher of the actual purchase price or the lower of the FMV as of January 31, 2018, and the actual full value of consideration (the sale price). This mechanism effectively resets the cost base to a ‘deemed cost,’ shielding the appreciation occurring prior to the policy shift from the current tax net.

In practice, this requires a three-step algorithmic approach to your tax modeling. First, identify the lower value between the January 31, 2018, FMV and the final sale price. Second, compare this figure against the original purchase cost. Third, adopt the higher of these two values as your cost of acquisition. By ignoring the pre-2018 appreciation, you minimize the taxable gain, which is critical for accurate post-tax yield analysis in long-term wealth management.

Failure to account for this adjustment can lead to significant overestimation of tax drag in your models. For instance, in our scenario, the cost of acquisition would be Rs. 800, not Rs. 500, resulting in a taxable gain of Rs. 400 per share instead of Rs. 700. As an advisor, ensuring your clients leverage this grandfathering provision is essential to maintaining the integrity of their projected compounding returns and preventing unnecessary tax leakage.1

Nuance

⚠️ Nuance
A common pitfall is the misuse of the FMV in the calculation logic, specifically confusing the ‘higher of’ and ’lower of’ thresholds. Candidates often accidentally apply the FMV even when the actual sale price is lower than the January 2018 valuation, which would erroneously inflate the tax burden. Always remember: the FMV acts as a ceiling to prevent tax-free gains from being overstated, but the actual sale price acts as a floor to prevent the inclusion of paper losses that never materialized.

Check Your Understanding

Practice Question 1

An investor purchased 1,000 shares in 2016 at Rs. 200. The FMV on Jan 31, 2018, was Rs. 350. The investor sells the shares today for Rs. 300. What is the cost of acquisition used for tax purposes?

Practice Question 2

Which of the following describes the purpose of the ‘grandfathering’ clause for equity assets acquired before Jan 31, 2018?

This is a companion read for Section 10.3 — Mutual Funds from PASS Investment Adviser (Level 2) by Akhilesh Gururani, available on Amazon Kindle.

Copyright © 2026 Akhilesh Gururani. All rights reserved.

  1. The FMV for listed shares is typically defined as the highest price quoted on the exchange on the cut-off date or the last traded price if no trading occurred on that specific day. ↩︎