Do NRIs have to maintain minimum balance in NRE or NRO account?

Yes, NRI NRE or NRO account are subject to minimum balance commitments ranged between Rs 5,000 to Rs 25,000 vary from bank to bank.

For NRIs who are willing to channelize their investment through PIS route, there is no requirements to maintain minimum balance in PIS account. Whenever required, NRIs have to allocate funds from NRE bank account to PIS account and the banker will intimate your broker with whom you have a NRI trading account to maintain the NRI trading margin limit accordingly.