An NRI software engineer in Singapore co-founded an Indian SaaS startup before moving abroad. He holds 5% of the company through founder ESOP exercised in 2023; the company is now valued at ₹150 crore after a Series B round in 2025. The standard Indian tax treatment would have made him pay ~30% perquisite tax on the FMV-minus-exercise-price differential at the time of exercise — when the value was already high and he had no cash from a stock sale to fund the tax. The April 2020 Finance Act amendment changed this for eligible startups: tax on ESOP perquisite can now be deferred to the earliest of (a) 48 months after the financial year of allotment, (b) date of sale of shares, (c) date the employee leaves the company. The deferral converts an illiquid tax event into a cash-event-aligned tax bill. Indian startup employees — including NRIs working for Indian startups remotely or as founders — now have a structurally better tax profile than they had pre-2020. Here is the 2026 master playbook.
Background — why ESOP tax was a problem pre-2020
Under Section 17(2)(vi) of the Income Tax Act, employee stock options received from the employer are taxable as "perquisite" at the time of exercise:
- Perquisite value = Fair Market Value (FMV) at exercise minus exercise price paid
- Taxable as salary in the year of exercise at slab rates
- Employer deducts TDS under Section 192
The problem: in a startup, FMV at exercise typically already reflects post-funding valuations. An employee exercising 1,000 options at ₹100 strike when the FMV is ₹1,000 has a perquisite of ₹9 lakh. At 30% slab, ₹2.7 lakh tax owed in cash — but the employee has not sold the shares and has no cash from them. Startup employees often had to either (a) pay tax from savings, (b) sell shares back in secondary at a discount, or (c) decline to exercise.
The April 2020 amendment — Section 17(2)(vi) proviso
Effective from FY 2020-21, the second proviso to Section 17(2)(vi) was inserted:
"Provided further that in the case of specified security or sweat equity shares allotted or transferred by any eligible start-up... the tax or tax deducted at source on such income... shall be paid by the assessee or by the employer... within fourteen days after the earliest of the following dates: (i) expiry of forty-eight months from the end of the relevant assessment year; or (ii) date of sale of such security or sweat equity share by the assessee; or (iii) date when the assessee ceases to be an employee of the employer."
Translation: tax that would have been due at exercise is deferred until the earliest of three events. The deferral does not eliminate the tax — it postpones it. Cash-flow advantage is real; legal liability stays.
Who is an "eligible startup"?
Section 80-IAC of the Income Tax Act defines eligible startup for this purpose:
- Incorporated as private limited company or LLP between 1 April 2016 and 31 March 2024 (now extended through subsequent Finance Acts)
- Turnover not exceeding ₹100 crore in any FY since incorporation
- Less than 10 years old since incorporation
- Recognised by Department for Promotion of Industry and Internal Trade (DPIIT)
- Holds a certificate from the Inter-Ministerial Board (IMB) certifying eligibility for tax benefit under Section 80-IAC
- Working toward innovation, development, or improvement of products / processes / services
The IMB certification is the gating step. As of 2026, fewer than 1,000 startups have IMB certification — out of 100,000+ DPIIT-recognised startups. The certification process requires demonstrating innovation, scalability, and IP potential. Most well-known startup employers (Flipkart, Swiggy, Zomato, Paytm pre-IPO) were not IMB-certified during their growth years; only newer cohorts of pre-IPO DPIIT-recognised ventures.
For ESOP holders: confirm IMB certification status with HR / finance before assuming the deferral applies.
The three-cliff mechanics
| Cliff | Trigger | What happens |
|---|---|---|
| 48 months from FY of allotment | 4 financial years after FY of ESOP allotment | Tax becomes due at the rate that was applicable at exercise (slab rate of that year) |
| Sale of shares | Employee sells the shares (secondary or IPO) | Tax becomes due; sale-proceeds typically fund the tax |
| Cessation of employment | Employee leaves the employer | Tax becomes due — even if employee still holds shares; can be cash-flow-painful |
The earliest of the three triggers the tax bill. For an NRI working remotely for an Indian startup: cessation of employment is the most-relevant cliff — if the NRI quits, leaves, or is fired, the deferred tax falls due immediately regardless of share holding.
Worked examples
Example 1 — Standard exercise, no deferral
NRI joins non-IMB-certified startup. Allotted 1,000 ESOPs in FY 2023-24, exercise price ₹50. Vests over 4 years. Exercises 250 in FY 2024-25 when FMV is ₹500.
- Perquisite value = (500 − 50) × 250 = ₹1,12,500
- India tax at 30% slab = ₹33,750 + cess. Due in FY 2024-25 immediately.
- Employer deducts TDS at exercise via salary withholding.
Example 2 — IMB-certified deferral, holding through cliff
NRI joins IMB-certified eligible startup. Same allotment FY 2023-24, exercise price ₹50. Exercises 250 in FY 2024-25 when FMV is ₹500.
- Perquisite value = ₹1,12,500
- Tax NOT due at exercise. Deferred to the earliest of: (a) 48 months after FY 2024-25 end = 31 March 2029; (b) sale of these 250 shares; (c) cessation of employment.
- If employee holds and continues employment till 31 March 2029: tax of ₹33,750 + cess falls due 31 March 2029 at the FY 2024-25 slab rate. Within 14 days of cliff, tax must be paid.
Example 3 — Deferral followed by sale before cliff
Same as Example 2. NRI sells the 250 shares in FY 2026-27 when share price has appreciated to ₹2,000.
- Sale triggers deferred-perquisite tax: ₹33,750 + cess falls due (at FY 2024-25 rate applicable at exercise).
- Capital gain on sale = (2000 − 500) × 250 = ₹3,75,000. STCG < 24 months on unlisted shares: slab rate. LTCG > 24 months: 20% with indexation or 12.5% without (for pre-23-Jul-2024 acquisitions).
- Cost basis at sale = FMV at allotment + exercise price = ₹500 (FMV used for perquisite tax purposes).
Example 4 — Deferral followed by employment exit
Same as Example 2. NRI leaves the startup in FY 2026-27, still holding the 250 shares.
- Cessation of employment triggers deferred perquisite tax: ₹33,750 + cess due within 14 days of separation date.
- Employee still holds shares — no cash from share sale to fund tax. Pay from savings.
- On future share sale, the capital gain calculation uses ₹500 cost basis as before.
Example 5 — Founder ESOP with IMB-certified startup
NRI co-founder allotted 1,00,000 founder ESOPs at ₹1 strike when FMV was ₹10 (FY 2022-23). Perquisite value = ₹9,00,000. With Section 17(2)(vi) deferral: tax deferred to earliest of 48 months post FY 2022-23 (31 March 2027), sale, or employment exit. Tax at FY 2022-23 30% slab = ₹2,70,000 + cess.
If startup is acquired in FY 2024-25 and founder's shares cash out at ₹2,000 per share: total ₹20 crore proceeds. Deferred perquisite tax of ₹2.7 lakh falls due in 14 days; plus LTCG (on unlisted shares held > 24 months) at 20% with indexation or 12.5% without on the ₹1,99,90,000 gain — substantial tax bill but funded by the sale.
Employer TDS in the deferral regime
Section 192(1C) (post Apr 2020) requires the employer to deduct TDS within 14 days of the earliest of the three cliffs:
- Even if employee has left, employer's TDS obligation persists until the deferred cliff
- Employer keeps tracking the employee's status (still employed? sold shares? cliff reached?)
- For ex-employees, the employer often passes the TDS obligation back to the ex-employee for direct deposit
NRI-specific considerations
- NRI working for Indian startup remotely: Section 17(2)(vi) perquisite is salary income. If services rendered abroad: foreign-source for NRI = not Indian-taxed. But if Indian-employer with Indian-issued ESOP, Section 17 typically considers the perquisite under the salary head — source determination becomes contested. Get specialist Indian CA opinion.
- NRI co-founder relocating: ESOP exercised during Indian-resident period; Indian-source perquisite. Deferral can still apply if IMB-certified. After NRI relocation, cessation of employment trigger could activate — even though the founder still technically holds the shares.
- NRI returning to India: ESOP exercised during NRI period (foreign service) becomes Indian-resident-taxable at relocation? Depends on source. Coordinate with the apportionment rule similar to RSU vesting.
Non-eligible startups — workarounds
If your employer is not IMB-certified (most are not), Section 17(2)(vi) deferral does not apply. Workarounds:
- Negotiate cashless exercise: employer sells some shares immediately at exercise to cover the tax
- Delay exercise to within a few months of expected sale event (IPO / acquisition)
- Time exercise to a low-FMV period (pre-funding-round, low public-market multiple)
- Exercise in tranches matching annual cash availability for tax payment
Capital gain on later sale
Sale of ESOP-exercised shares is a separate capital-gain event:
- Cost basis = FMV at allotment (the amount used for perquisite tax)
- Listed shares (after IPO): STCG < 12 months at 20%; LTCG > 12 months at 12.5% above ₹1.25L
- Unlisted shares: STCG < 24 months at slab rate; LTCG > 24 months at 20% with indexation or 12.5% without
- NRI vendor: TDS at 20% / 12.5% under Section 195 — Section 197 Lower Deduction Certificate to reduce to actual rate
Practical playbook for NRI Indian-startup employee in 2026
- Confirm employer's IMB-certified status. Ask HR for the IMB certificate copy.
- If IMB-certified: deferral applies. Track the 48-month cliff date in calendar.
- If not IMB-certified: tax due at exercise. Plan cashless exercise or wait for liquidity event.
- For founders / large allotments: model the cliff cash-flow vs sale scenarios.
- If planning relocation: review the cessation-of-employment trigger — relocation followed by leaving the employer can crystallise deferred tax even without share sale.
- For sales: TDS via Section 195 + Section 197 LDC for NRI.
- Maintain documentation: ESOP grant letter, exercise notice, FMV valuation certificate, employer TDS Form 16.
- For NRI returning to India during deferral period: coordinate with employer + Indian CA on tax position at return.
Frequently asked questions
Does the deferral apply to all Indian startups?
No. Only to startups certified by the Inter-Ministerial Board (IMB) under Section 80-IAC. Most DPIIT-recognised startups are not IMB-certified. Confirm before assuming.
What if I exercise during the deferral period for a portion of my ESOPs?
The deferral applies tranche-by-tranche. Each exercise event has its own 48-month cliff calculated from the end of the FY of that exercise.
If I sell shares to fund the deferred tax, is the sale event the trigger?
Yes — sale of the same shares triggers the deferred tax cliff. Time the sale + tax payment cleanly.
Does ESOP exercise of unlisted Indian startup shares attract Section 195 TDS for NRI?
Section 195 applies to "any sum payable to a non-resident which is chargeable to tax" — perquisite is salary-character, not capital-character. Section 192 (salary TDS) typically applies via the employer; Section 195 not directly invoked for salary payments.
Does the deferral interact with Section 80E (education loan) or other deductions?
No direct interaction. ESOP perquisite, when due, is salary-character; deductions claimed against salary income apply.
If the startup goes bankrupt before the 48-month cliff, what happens?
Cessation of employment is typically triggered. Deferred tax falls due even though the shares are worthless. This is the worst-case scenario; founder / employee may need to seek extraordinary relief from the Assessing Officer.
Sources: Income Tax Act Section 17(2)(vi) + second proviso (post Apr 2020 amendment); Section 80-IAC; Section 192(1C); DPIIT startup recognition framework; Inter-Ministerial Board (IMB) certification rules; CBDT notification on eligible startup deferral; accessed May 2026. Startup ESOP tax is highly fact-specific — engage qualified Indian CA with startup-ESOP experience. Editorial research, not tax advice.