For
#BSNL Prepaid Kerala
Dial
*123# - For BSNL Kerala Balance, Exp.date, Mobile Number on Screen
*124# - For BSNL Kerala Friends Family Number on Screen
*124*1# - For BSNL Kerala Free Calls / Voice Call and STV balance on Screen
*124*2# - For BSNL Kerala Unlimited Calls balance on Screen
*124*3# - For BSNL Kerala SMS and STV balance on Screen
*124*4# - For BSNL Kerala GPRS / 3G Data balance on Screen