BSNL has announced special promotional offers for its 2G and 3G customers to celebrate Lohri, Pongal, Makar Sankranti, Basant Panchami and Republic day. BSNL will offer Full talk value equal to MRP on all Top-up vouchers/C-top-up/Flexi top-up to all GSM 2G & 3G Mobile prepaid customers for Top-up denomination of Rs.100 or more. Where ever, the talk value offered with top-up vouchers are more than the MRP of topup vouchers, the higher talk value already offered will prevail. The above offer is applicable for a limited period with effect from 12.01.2011 up to 27.01.2011