Vodafone India — entertainment pack is activated and rs.35 is deducted without my knowledge for my prepaid number

Today morning at 8:54am i received a sms stating that-
"hello! Entertainment pack is now active on your number, as requested. This service is valid till[protected] and a 7 days rental of rs 35 has been deducted."
It's very dissapoibtibg as i have not requsted for any vas packs. I want my rs.35 back immediately for my prepaid number [protected].
Deactivated the entertaiment pack by sending sms but did not received the money back.. I want the money back soon.