My htc one x IMEI number Blank topic

Hi,
I am from India n also my phone India version.

After installing rom 4.1.1 my phone dosent shows IMEI number its Blank,I cant use my phone to call ,Wifi,Blurtooth i am in big problem pleas any one help me i bought it in 32,000 Ind rupees.
It already unlocked.
sorry for my bad English
Thank you