Samsung Pay is now available in India. If you signed up for the early access program, you should now be able to set up the account.
Samsung Pay app includes Axis, HDFC, ICICI, SBI, and Standard Chartered banks (MasterCard and VISA debit and credit cards) for the service. Also, you can add Paytm wallet accounts in the Samsung Pay app. Support for other banks cards including Citibank is coming soon.
Currently, Samsung Pay only works with the Galaxy Note 5, Galaxy S6 edge+, Galaxy A5 (2016), Galaxy S7, Galaxy S7 edge and the Galaxy A7 (2016) in India. You can download the app from the Play Store or from the link below.