Madhusudhanan, the party's presidium chairman, was the AIADMK's "unanimous" choice.
'When they completely surrender to the BJP or the BJP has completely taken over the party, what's the point in the AIADMK surviving and doing business in the state?'
The speaker had suspended 45 members last week for unruly behaviour.
Leaders from different political parties raised the issue of the gruesome murder and rape of a veterinary doctor in Telangana in Parliament on Monday.
Expelled AIADMK leader V K Sasikala on Monday returned to Tamil Nadu to a grand reception, days after completing her four-year jail term in Bengaluru in a corruption case, amid indications of a confrontation with the ruling party which she once controlled.
As the death toll in Nepal's devastating earthquake mounted, the Indian government on Monday urged people not to pay heed to rumours being spread on social media as members in Rajya Sabha asked government to prepare disaster management plan.
All India Anna Dravida Munnetra Kazhagam chief J Jayalalithaa could not "satisfactorily account" for immovable properties and pecuniary resources of the value of Rs 53.6 crore when she was the Chief Minister from 1991 to 1996, the Special Court that sentenced her to four years in jail has held.