https://newstrack.com/uttar-pradesh/mulayam-singh-yadav-ke-bare-mein-munna-pahalwan-mulayam-singh-teen-baar-up-chief-minister-up-politics-mulayam-singh-yadav-guru-nathu-singh-mulayam-singh-yadav-wiki-mulayam-singh-yadav-biography-298524