Transfer of Tourist Visa
The Validity of an Existing Tourist Visa does not expire if a Visa holder acquires a New passport (if old passport has expired or is damaged), as long as his / her personal particulars (Name has remained the same and nationality of the holder has not changed.) The visa holder can travel carrying their old passport with a valid Indian Tourist Visa along with new passport.
However, if such a visa holder wishes to formally transfer the Tourist Visa for the remaining period of the duration of the visa onto the new passport; please refer to the information below.
This is a purely an optional choice for applicants.
http://www.in.ckgs.us/visa/type-of-v...ist-visa.shtml