You need the following documents:
1.A appropriatel and authentical ful-filled visa application form.
2. Your passport valid for at least six months with at least 2 blank visa pages.
3. One recent passport size photograph.
4. One Passport photocopy.
5. Photocopy of a confirmed return air ticket.
6. Your valid Indian visas or valid Residence Permits in India.
7. Proof of travel expenses