Vodafone — Automatic VAS activation & deduction if money

Address: Kolkata

I am using Vodafone number since 2003, then it was Hutch. In the year 2017 Vodafone blacklisted my number for privacy and security reasons.
Today Vodafone activated a Value Added Service named mydelights powered deal and deducted Rs. 47 from my Balance.
I have written several complaint mails to their customer service email id and nodal officer email id. But nobody responded me. I have chatted through WhatsApp with Vodafone customer care regarding this. They said - "No VAS is activated in my number, but Rs. 47 is deducted". What nonsense.

How come they activated mydelights powered deal in my number when my number is blacklisted?
It's a complete fraud service to cheat customers.
I want my 47 rupees back.
Vodafone should make sure that they will never cheat me this way again.