For the pure term cover, I don't see any difference.

But MRS is currently offered to only someone with annual > 15 lakhs and minimum SI = 2 crores and not all payment terms are available. It may be discontinued soon.

If you are eligible, go ahead and grab the opportunity of low premium.

Other experts who deal with Tata AIA can confirm if there's any difference.

Major difference is after the claim is paid with Maharaksha supreme, there's additional 1% yearly payment of the Sum Assured given to the policy holder yearly for 10 years