These offers are ONLY for Citibank Credit Card customers.
You will need to use appropriate card, as per terms, to avail the offer

Deals for Citi Bank Credit card and Debit card customers

Citibank has lined up many fabulous offers for its customers be it shopping, travel, entertainment or Dining. Citibank credit and debit card customers can enjoy up to 20% off in over 1000 restaurants across India. Open2save, your one stop shop for all the coupons and offers, lists all top offers for the Citibank customers. So if you own a Citibank credit card, go ahead, save and benefit every time you shop.