You need KYC documents. Link

Name Proof -
(i) Passport
(ii) PAN card
(iii) Voter's Identity Card
(iv) Driving licence
(v) Identity card (subject to the bank's satisfaction)
(vi) Letter from a recognized public authority or public servant verifying the identity and residence of the customer to the satisfaction of bank

Permanent Address Proof -
(i) Telephone bill
(ii) Bank account statement
(iii) Letter from any recognized public authority

(iv) Electricity bill
(v) Ration card
(vi) Letter from employer (subject to satisfaction of the bank)

Process - Just apply online on the insurance company websites.