Did you buy the phone in India. Was it new or second hand. Can you return to the same store to make the arrangement if you qualify? India is a law unto itself as far as Apple retail is concerned. As all of the stores are privately owned it is better to take up any service matter with the store you made the purchase from.
This is a review about Apple care from Croma of India https://www.croma.com/applecare-protection-plan-for-iphone/p/174806