Seems like JIO effect
BSNL revises 3G Data STV 1099 to offer Unlimited Data without speed restriction, Launches two new data packs 156(2GB Usage) & 549(10GB Usage) as Janmashtami Offers | KeralaTelecom.info
Edit: Hence its official
Source
BSNL revises 3G Data STV 1099 to offer Unlimited Data without speed restriction, Launches two new data packs 156(2GB Usage) & 549(10GB Usage) as Janmashtami Offers | KeralaTelecom.info
Edit: Hence its official
Source
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