India’s online pharmacy battlefield is heating up with two business titans – Mukesh Ambani, Asia’s richest man, and Jeff Bezos, the world’s richest person – recently entering the market.

Ambani’s Reliance Industries last week announced it spent US$83 million to buy digital health care firm Netmeds, which delivers drugs and arranges doctor appointments for 5.7 million customers.

Ambani’s daughter, Isha, who is director of Reliance Retail Ventures Limited (RRVL), explained the acquisition.

“We…