Mobikwik — Making me pay activation charge against my will.

I was trying to recharge my no. Using mobikwik, i followed the process of payment but instead of giving me payment options they directly debited the money from their zip service, for which i was completely unaware that it has a 99rs activation charges, they debited the money first and then they are asking for 99 rs activation charge, is not this making me take a service of 99rs against my will.
I was trying to make a simple upi payment but they did what i mentioned.
If my zip service is not activated then why did mobikwik allow the 1st debit from my account.
Its just a forceful way of mobikwik to take their zip service.
Please help me here.