PIO's are allowed to purchase upto 2 flats, without any permission from RBI. Foreigners who are residents in India ( for more than 183 days) can purchase provided they take appropriate permissions from RBI for the same
1.From the balances of NRO account – subject to declaration
2. Sale proceeds of assets
3. Assets acquired from legacy/ inheritance/ deed of settlement
they can remit up to USD 1 Million in a financial year