BSNL has announced the availability of two new RCVs which will give longer validity to the subscribers of Jai Jawan pre-paid plan. RCV 553 will give users a validity of 180 days and free talktime of Rs. 375. If users opt for RCV 993 then they will get a validity of 365 days and free talktime of Rs. 750. 
The new RCVs 553 and 993 are available through C-Topup and for JaiJawan Plan customers only. The existing RCV 97 for 30 days validity extension will also continue to be available for the JaiJawan customers.