Jaan Kumar Sanu underwent drastic transformation post his stint in Bigg Boss 14. Apparently, he was over 90 kg during his time in the reality show and now with enough motivation to work out he has lost significant weight and his on his road to fitness. The aspiring singer credits his BB housemates Sidharth Shukla and Eijaz Khan for his motivation to get fit.source https://www.indiatvnews.com/entertainment/celebrities/jaan-kumar-sanu-confesses-sidharth-shukla-and-eijaz-khan-motivated-him-to-get-in-shape-715450
