Hi Guys . i recently bought evdo sim and data card(micromax 310c) i have some doubt in network settings regards user name and password.If i tried to connect net i received 691 error(user name and password error).I just wanna know which one is correct user name for chennai circle like RUIM last 10numbers@aapg.in or 10numbers@aaand.in or cdma or 165 or anything else.Anyone here use evdo in chennai circel plz let me know model user name and password.Thanks in advance.