Here I am providing Phone Numbers of Sardar Sarovar Narmada Nigam Limited from where you can get information about Bonds and Deposits:

Deputy Manager (Resources)
Sardar Sarovar Narmada Nigam Ltd.
Block No.12, 5th Floor
New Sachivalaya Complex
Gandhinagar - 382010
(079) 232 52409, 23252182, 23252337

FOR DEPOSIT & BOND
Phone:- +91 79 23252337

Other Important contact Details:
SARDAR SAROVAR NARMADA NIGAM LTD.
Block No. 12, New Sachivalaya,
Gandhinagar - 382 010.
Gujarat, India.
Fax:- +91 79 23252390

Corporate Identity Number(CIN) of SSNNL - U45200GJ1988SGC010493

FOR REDEMPTION OF DEEP DISCOUNT BOND(DDB)
Please contact on following numbers
Resource Branch Phone:- +91 79 23252409
PA to GM(R&C) Phone:- +91 79 23252337

FOR DAM SITE VISIT
Phone:- +91 79 23252412

For Shri Nidhi Fixed Deposit
Deputy General Manager (Deposit)
Sardar Sarovar Narmada Nigam Ltd.
Block No.12, 5th Floor
New Sachivalaya Complex
Gandhinagar - 382010
(079) 232 54589, 232 54592.