IDFC Credit Card Refer & Earn: IDFC FIRST Bank Limited Credit Card holders (known as ‘referrer’) can refer their family & friends for IDFC FIRST Bank Limited Credit Cards & get to earn 2000 bonus reward points for each successful card generation via referral (to a maximum of 10,000 bonus reward points) The referred person (known as ‘referee’) also gets a chance to earn 2000 bonus reward points by making a minimum transaction of Rs.500 within 30 days of card setup