Bharat Sanchar Nigam Ltd (BSNL) is offering extra talk value on Top-ups as Onam offer to its customers in Kerala Telecom Circle. These recharges can be availed by BSNL Kerala Telecom Circle Prepaid 2G and 3G subscribers via Paper coupouns and e-recharge. This offer is available till 1st September 2010. Here are the details :
| Top-up | Existing Talk value | Talk Value under Onam offer | Validity |
| 50 | 35 | 50 | 15 |
| 100 | 75 | 100 | 30 |
| 200 | 160 | 200 | 60 |
| 300 | 250 | 330 | 90 |
| 500 | 400 | 550 | 180 |