Section 7(7) in The Foreign Exchange Management (Foreign Currency Accounts By A Person Resident In India) Regulations, 2000
(7)A person resident in India who has gone out of India to participate in an exhibition/trade fair outside India may open, hold and maintain a Foreign Currency Account with a bank outside India for crediting the sale proceeds of goods on display in the exhibition/trade fair:Provided that the balance in the account is repatriated to India through normal banking channels within a period of one month from the date of closure of the exhibition/trade fair.
