New Delhi, April 6 -- I am 38 years old, a salaried professional with a family floater health insurance plan of Rs.10 lakh that I purchased five years ago. My insurer recently offered me an upgrade to an "unlimited sum insured" plan, and I also came across multi-year health insurance plans that offer discounts and uninterrupted coverage.

I am keen to understand how unlimited sum insured plans actually work - do they function differently from high-value fixed cover plans? I would also like to understand how multi-year health plans compare to annual plans in terms of premium payment schedules, renewal benefits, and flexibility if I wish to switch insurers or upgrade my coverage mid-term.

As someone who is also considering porting my exist...