Sasikala Natarajan, former Tamil Nadu Chief Minister J Jayalalithaa's closest aide, has been urged by senior leaders of the AIADMK to lead the party, a tweet by the AIADMK said this afternoon; Former Air Force Chief SP Tyagi, who was arrested on Friday over alleged irregularities in the Rs. 3,600 crore deal with AgustaWestland to acquire a dozen VVIP choppers, has blamed the then Prime Minister office for tweaking the deal in favour of the UK-based helicopter maker. He has been sent to four days CBI custody; Prime Minister Narendra Modi slammed the opposition for repeated disruptions in parliament over the ban of old 500 and 1,000-rupee notes; the Income Tax department today seized Rs. 5.7 crore cash in new notes, 32 kgs of gold biscuits and jewellery and Rs. 90 lakh worth old notes stashed inside the bathroom tiles of a hawala dealer in Challakere in Karnataka; all this and more in our news wrap of the day.