Is Apple Card available in India ?

No.

You can find this easily enough by searching - and you will find this page which tells you:

You must be a U.S. citizen or a lawful resident with a valid, physical U.S. address that's not a P.O. Box. 

Unfortunately, no, the Apple Card is not available to non-US citizens at this time. Here is the exact verbiage from Apple/Goldman Sachs,

Requirements to get Apple Card

To get Apple Card, you must meet these requirements:

• Be 18 years or older, depending on where you live.
• Be a U.S. citizen or a lawful U.S. resident with a U.S. residential address that isn't a P.O. Box. You can also use a military address.
• Own a compatible iPhone or iPad with the latest version of iOS or iPadOS.3
• Use two-factor authentication with your Apple ID.
• Sign in to iCloud with your Apple ID.
• If you have a freeze on your credit report, you need to temporarily lift the freeze before you apply for Apple Card. Learn how to lift your credit freeze with TransUnion here.
• You might need to verify your identity with a Driver license or State-issued Photo ID.

I hope this helps.