New Delhi, July 31 -- How do you buy a health insurance plan? If you settle with the plan your agent sells or are happy knowing you have bought the cheapest plan, there is a bit of unlearning and a lot of learning in store for you. To give you a ready comparison, we designed Mint SecureNow Mediclaim Ratings (MSMR). The full ratings can be seen here: www.livemint.com/mintmediratings2018....