Ousted Tata Sons chairman Cyrus Mistry today announced that he has resigned from all Tata Group companies; Indian Mujahideen co-founder Yasin Bhatkal and four others have been sentenced to death for the twin blasts in Hyderabad's Dilsukhnagar in 2013; A host of senior AIADMK functionaries on Sunday urged former Chief Minister J Jayalalithaa's aide Sasikala Natarajan to take over as Chief Minister of Tamil Nadu; all this and more in our news wrap of the day.