BSNL has announced that it will offer an extra talktime of 10% on the existing high end top-ups which already give more talktime than the MRP for seven days of festivities. Users opting for the Top-up voucher of Rs. 3300 will get a talktime of Rs. 3850 than the existing Rs. 3500. In the same way users going in for Rs. 5500 will get a talktime of Rs.6600 instead of the regular extra value of Rs. 6000. 
This offer is valid only in Tamil Nadu and Chennai on Rs. 3300 and Rs. 5500 high end talk value coupon. The 7 days time period for this offer is from 21-10-2011 to 27-10-2011.