evidence: A claim is being shared on social media platforms stating that bio-toilet systems in Indian railways were first implemented under the Bharatiya Janata Party (BJP) led National Democratic Alliance (NDA) government after it came to power in 2014. [...] More than 11,000 bio-toilets installed till 2014: According to a Lok Sabha answer given on 14 August 2014, around 11,777 bio-toilets were installed in 4,356 passenger coaches till 30 June 2014. [...] Conclusion: The claim that bio-toilets were first introduced after 2014 is false. It was introduced by the UPA government in 2010.