Prateek Yadav, younger son of late Samajwadi Party founder Mulayam Singh Yadav, died in Lucknow. The 38-year-old was a fitness enthusiast. An MBA graduate, Prateek was known for his collection of luxury cars including a Lamborghini worth over ₹5 crore. As per reports, he launched a premium gym business in Lucknow. In 2015-16, Prateek reported an income of ₹1.47 crore.