SEBI (Employee Stock Option Scheme and Employee Stock Purchase Scheme) Guidelines, 1999
18. Pricing and Lock-in
18.1 The company shall have the freedom to determine price of shares to be issued under an ESPS, provided they conform to the provisions of clause 19.2.
18.2 Shares issued under an ESPS shall be locked in for a minimum period of one year from the date of allotment.
18.3 If the ESPS is part of a public issue and the shares are issued to employees at the same price as in the public issue, the shares issued to employee pursuant to ESPS shall not be subject to any lock-in.