India, Nov. 28 -- On a bright May afternoon in 2018, as waves lapped against Mumbai's littered shores, Ashwin Malwade and Nupur Agarwal had a meet-cute - not at a cafe or a party, but at a beach clean-up drive. "We fell in love amidst trash," Ashwin says with a laugh. "And when we decided to get married, we knew we couldn't create the same waste we were cleaning up every day."

Their wedding ceremony, in 2019, had no plastic bottles, no disposable decor, no food waste. When photos began circulating on social media, other couples started reaching out. "People saw that it was possible," Malwade says. "That you could have an Indian wedding without compromising on beauty, emotion or grandeur." It promoted them to set up Greenmyna, a sustainab...