BSNL Rs 397 vs BSNL Rs 398 prepaid recharge plans, which is better BSNL Rs 397 prepaid plan has a year-long validity while BSNL Rs 398 prepaid plan gives unlimited internet without any FUP limit. India Today Tech | May 6, 2021 | Updated 18:55 IST (Picture: Reuters) Highlights BSNL Rs 397 prepaid plan gives 2GB daily high-speed data, with unlimited calls and SMS for the first 60 days. BSNL Rs 398 prepaid plan offers unlimited data without any FUP limit. The Rs 398 prepaid plan is available for a promotional period till July, 2021. Government-owned telco Bharat Sanchar Nigam Limited (BSNL) recently revised its annual prepaid plan that came for Rs 365 annual prepaid plans to Rs 397. The prepaid plan gives 2GB daily high-speed data, with unlimited calls and SMS for the first 60 days. BSNL also reintroduced its Rs 398 prepaid plan till July 2021 that gives unlimited data benefit but has a validity of 30 days. Both plans have a difference of just one rupee but offer varying benefits.