Aircel dongle 3g
Getting disconnected again and again

I had purchased one aircel dongel 3G data about two weeks ago. first two days it was ok but third day it started after each two muniutes. no one is giving or telling me the right what to do

details

aircel dongal type turbo aircel 3G

no. 8569089263

please get me rid of this problem. this is not tolerable plz. do something suitable.

thanks and regards