2G Data @ 0.04/10KB. 2G Roaming @ 0.1/10KB. Local & STD Calls @ 0.025/sec. Local SMS @ Rs.1.0/sms. National SMS @ Rs.1.5/sms. Night Local Idea to Idea Mobile (23.00 Hrs to 06.00 Hrs): 600 minutes. For more information on the minimum recharge condition and applicable recharge* details, visit https://www.ideacellular.com/customer/prepaid/trai-mandate/kolkata .If you are an existing customer who has availed a tariff plan for minimum period of 6 months from the date of enrolment to that tariff plan, then you are migrated to new prepaid plan PV 154.*Applicable recharges– all recharge vouchers of Rs. 154 and above having validity of 180 days or more..