SSC OTR Issue. SSC helpline Email:- [email protected]  SSC Toll Free number:- 18003093063  Please ensure that the E-mail is sent to  the main SSC email address as well as your regional SSC email address .  Emaill addresses given below contain both. NR:- [email protected],  [email protected], [email protected] ER:- [email protected], [email protected],  KKR:- [email protected], [email protected],  SR:- [email protected], [email protected] CR:- [email protected], [email protected] WR:- [email protected], [email protected], [email protected] NWR:- [email protected], [email protected], [email protected]