@janakiram
TTD allows Tirupati Balaji Darshan for NRI pilgrims through a special entry from Special Entry Darshan (SED) Hall, Vaikuntam Queue Complex-1 (VQC-1), Tirumala by collecting ₹ 300/- per person after duly verifying the Passport and Visa, this facility can't be booked online and has got to be accessed only on arrival.