Explanation:

Bula Choudhury is an Arjuna awardee, Padma shri awardee, former India national women's swimming champion and elected as MLA from 2006 To 2011 in West Bengal state of India.

She became the first woman to have swum across sea channels off five continents in 2005 —including the Strait of Gibraltar, the Tyrrhenian Sea, Cook Strait, Toroneos Gulf (Gulf of Kassándra) in Greece, the Catalina Channel off the California coast, and from Three Anchor Bay to Robben Island near Cape Town, South Africa. She created a record for swimming the 30km track in 3 hours & 26 minutes. She is now is planning to establish a swimming academy in Kolkata.