These videos are from someplace in India. Where ever they are, I like these minimal suits:
https://www.youtube.com/watch?v=9WKD_sDFqdQ
https://www.youtube.com/watch?v=kge6qCMFq_w
https://www.youtube.com/watch?v=DLCxxLO0_ek
https://www.youtube.com/watch?v=MQwKfsJnigA
However, I believe Indians just use underwear for swimming and in many cases, they just go naked.