Section 8(1)(C) in The Pension Fund Regulatory and Development Authority (Exits and Withdrawals under the National Pension System) Regulations, 2015
(C)Frequency: the subscriber shall be allowed to withdraw only a maximum of three times during the entire tenure of subscription under the National Pension System. The request for withdrawal shall be substituted by the subscriber along with relevant documents to the central record keeping agency or the National Pension System Trust, as may be specified for processing of such withdrawal claim through their nodal office. Provided that where a subscriber is suffering from any illness, specified in sub-clause (d), the request for withdrawal may be submitted through any family member of such subscriber.