Bsnl is also on verge of increasing tariff. As an alternative it’s reducing validity of existing to recharge to save from imminent price rise.
Long term validity extension recharge were niche recharge by Bsnl but even that is not getting spared. Rs.36 recharge which use to offer 180days validity before was recently reduced to 60days when pvt telcos introduced minimum recharge. But Bsnl is in no mood to spare. Its reduced further to just 30days.