Prateek Yadav, the stepbrother of Akhilesh Yadav, died at the age of 38 in Lucknow after he suddenly fell ill. Prateek Yadav was the son of Samajwadi Party founder Mulayam Singh Yadav and his second wife Sadhna Gupta. Who was Sadhna Gupta, and how did she met Mulayam Singh Yadav?
