BSNL and MTNL today announced the much-awaited OneIndia tariff plan.Under the new plan, fixed line users will be charged Re 1/ minute for calls anywhere in the country. The plan will be effective from March 1.According to the new telecom packages announced by both the companies, BSNL would offer a minimum tariff of 40 paise/ minute for its post-paid mobile subscribers for calls on its network.