I have finally got the solution of installing supported kernel and its working for reliance netconnect.
First of all u have download the latest driver from the reliance netconnect on this web address(the drivers are generally provided in the cd u got with ur modem) :
http://www.rcom.co.in/Communications...downloads.html
The driver in my case is under the High speed 1x > LXU , download the zip file and extract it.You can find ur appropriate driver by...