I am a Nepalese student. Can I study B.Sc physics from Calcutta university and PhD in astrophysicsfrom IIA, Banglore or NCRA-TIFR Pune? I am a Nepalese student. Can I study B.Sc physics from Calcutta university and PhD in astrophysics from IIA, Banglore or NCRA-TIFR Pune?