Medlife — unethical behavior by company

Hi, please note that, i have order 3 medicines from medlife and do prepaid amount for the same. On the booking time, it had showed that the medicines are instock, so i have order medicines of rs 1633 (There was offer above than 1500). They have simply refunded amount of 144 and did not medicine too and make it below than 1500 so that could not able to take benefits of offer.

Practice from medlife is creating problems for many of customers. Want to put a complain against the same.