Update: BSNL withdrawn some STVs (8,39, 44,65,69, 84, 122, 179, 449), and PV 186, and rationalized the tariff of some STVs (19 and 187) under GSM prepaid mobile services with effect from 01.09.2019....
source https://bsnlteleservices.com/bsnl-stvs-data-voice-sms-rate-cutters/