Some careless batting and running from Tamil Nadu batsmen spurred acollapse in their Ranji Trophy league match against Andhra Pradesh atVishakapatnam on Tuesday.Winning the toss, Tamil Nadu skipper Robin Singh opted to have firststrike. His openers did not let him down, with Sridharan Sriram andSadagopan Ramesh posting a 55-run stand for the first wicket. Anothermini-partnership followed between Sriram and C Hemanth Kumar.After the latter was run out, however, things took a different turn.Three more wickets followed, with KS Sahabuddin taking two of them.Only Hemang Badani could stay at the crease; at the close of play,Badani was unbeaten on 40. He was accompanied by TR Arasu (5) as TamilNadu ended the day on 179/5.