Why is India taxing my ESOPs when I no longer live there?
Because the options were earned by work done in India. The benefit that crystallises at exercise is treated as a reward for the service period between grant and vesting, and India taxes the part of that period spent working there. Where you live on the day you exercise does not undo where you were while the options were vesting. So a person who left years ago can still exercise and find that India claims a slice, apportioned by reference to the Indian portion of the service period, with the employer deducting on that slice. Your country of residence generally taxes the benefit as well, and relief comes through credit rather than through either side withdrawing.
How is the ESOP benefit split between India and my new country?
By reference to where the service was performed over the period the options were being earned. The apportionment is a factual exercise: grant date, vesting date, and where you were working in between. That means the split is only as good as the records behind it. Payroll history, assignment letters, entry and exit records and the plan documents together establish the Indian and non-Indian portions. Employers often apply a default because nobody gave them the dates, and the default is rarely the answer. Getting the apportionment agreed with the employer before exercise is easier than arguing it afterwards, because by then tax has already been deducted on whatever assumption payroll used.
Does my Indian employer still deduct tax if I exercise after leaving?
Generally yes, on the Indian portion of the benefit. The obligation sits with the employer as the party providing the perquisite, so the deduction is made at exercise, before shares or cash reach you. The employer is deducting on its own view of the apportionment and on the valuation it adopts, neither of which you control at that moment. If the Indian share of the service period was overstated, or foreign service was ignored, the excess is recovered through the Indian return rather than from payroll. That is why the exercise date, the valuation used and the amount deducted should all be documented at the time.
Is the sale of the shares taxed again after I have paid on exercise?
It is a second and separate event, not the same one taxed twice. Exercise produces an employment benefit. The later sale produces a capital gain, measured from the value taken into account at exercise, with its own sourcing rules and its own treaty article. The two can fall in different tax years and can be claimed by different countries. Keeping the exercise valuation is what stops the whole sale proceeds being treated as gain later. Where the shares are held for some time after exercise, the two events may also be reported to two different revenue authorities, each on its own basis.
Can I claim credit at home for Indian tax withheld on exercise?
Usually the benefit is taxable where you live as well, and relief is given by credit for Indian tax properly payable on the Indian portion. Two things commonly break it. The first is timing: if exercise and sale fall in different years, or the countries measure the year differently, the income and the credit can land in different periods. The second is amount: credit follows the tax properly payable on that income, not the sum the employer happened to deduct. So the Indian return matters even when a refund is small, because it is what fixes the figure the credit claim rests on.
What records prove where I worked during the vesting period?
The plan document and grant letter, which set out the vesting schedule; payroll records from each employer showing where you were paid and for what period; assignment or transfer letters covering any relocation; and immigration or travel records where the dates are contested. Then, from exercise itself, the valuation adopted, the number of options exercised and the tax deducted. That set lets the apportionment be reconstructed by anyone reading the file years later. It is worth assembling while the employment relationship is current, because former employees asking a payroll department for dates from earlier years rarely get a quick answer.
What is RNOR status?
Resident but not ordinarily resident — a transitional category in India between non-residence and full residence, reached on the day counts after returning from a period abroad. While it lasts, certain foreign income stays outside the Indian tax base, which makes the timing of a return to India worth planning rather than leaving to chance. It is temporary, and the window is set by the day-count rules. See RNOR status.
How does an NRI prove residence to get the treaty rate?
With a tax residency certificate issued by the country you are resident in, plus Form 10F giving the details the certificate does not carry, plus a PAN in the payer's records. The certificate has to cover the period of the payment, and the payer needs it before paying, not afterwards. Missing any of the three and the deductor is obliged to withhold at the domestic rate, which turns a rate reduction into a refund claim. See TRC against Form 10F.