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Honestly it depends on which planes they are using.
If they are using 777 or 787, those are pretty bad, even though they are lie flat. Can see review below.
Expect the service to be horrendous compared to US, EU, and Middle Eastern Carriers.
If the price is right and it is the newer planes, then I would fly Air India (only if there were no other better options)
https://onemileatatime.com/air-india-business-class-787-review/
onemileatatime.com
Review: Air India Business Class 787 Frankfurt To Delhi
Is Air India as bad as everyone says? Here's my experience flying their 787 business class in terms of the seats, entertainment, amenities, food, drinks, and more.