Mobikwik — Lum300 coupon is not working.

Address:	122002
Website:	www.mobikwik.com

I Purchased a LUMIA 540 mobile and that time Mobikwik was giving an offer of providing extra cashback of 300 for 12 months on adding 300 rupees in wallet through any debit card or credit card. the condition was account/emailId/Mobile No/Card everything should be new. i started using this offer in october. i got benifit for two month i.e. october and november. but this month i am not getting the offer. after contacting customer care, they are giving false and stupid reasons to avoid giving this offer. they are saying that i am not eligible for this offer. i have used that account only in my phone as well as single card for this single account. they are completely cheating everyone. this month every one is facing the same issue. kindly force Mobikwik not to cheat and provide everyone cashbacks, who are eligible.