You should submit your application to
Chinese Visa Application Service Center
Address: 1st Floor, Commercial Tower, Le Meridian Hotel, New Delhi, India

You should apply for the tourist visa to China, the following documents are required:
A: Covering letter from applicant's company or employer addressed to the visa office.

B: Photocopy of a confirmed return air ticket

C: Visiting relatives should have invitation from their relatives in China and photocopies of their relatives’ Residence Permits in China.

D: Applicants may be requested to supply proof of travel expenses.

E: Application form:
All applicants should fill in one visa application form appropriately and authentically.

F. Applicant's passport valid for at least six months with at least 2 blank visa pages.

G. One recent passport size photograph.

H. One Passport photocopy.