How to check validity of BSNL number

How to port your SIM from Jio, Airtel or Vi to BSNL bsnl sim BSNL Mobile bsnl buy sim card online BSNL offers a prepaid validity extension plan priced at Rs 666 that allows users to extend the validity of their current prepaid plan by 110 days The plan also

bsnl online sim order Go to official portal of BSNL · On homepage, click on ”Order a new SIM card” · Select your 5G SIM option · Fill out all necessary information