Nomination can be done by Individuals and only Individuals can be Nominees. HUF cannot nominate. In case of Power of Attorney Account Nomination facility is not available. A minor can nominate through a guardian. A minor can also be appointed as a nominee represented by a guardian.
If the account is held jointly all joint holders will be required to sign the nomination form. Nominee can be only individual. Non-individual entities such society, trust, body corporate, HUF cannot be appointed as nominee.
As per CDSL Operating instructions, nominee's photograph, signature, or in case of minor, the guardian's signature are not required.
Details of Introducer: All accounts opened by illiterate person(s) with NSDL DPs must be either introduced by an existing account holder or must be attested by applicant's bank. CDSL however does not need an introducer for accounts to be opened by an illiterate person(s).
Currently maximum of 3 people can open a joint holding account. All the joint holders need to sign on the form. Documents of all the holders are needed to be submitted.
MODELEXAM® 
www.realsoftinfoplan.com