The correct options are
A DMK
B CPIM
D SAD
In 1984, when N. T Rama Rao travelled to the United States for surgery, the Governor of Andhra Pradesh replaced him with N Bhaskar Rao as the Chief Minister. N. T Rama Rao questioned this. Various anti-Congress political parties and regional parties like the DMK, CPI M, SAD, the Janata Party, and National Conference supported him.
Eventually, N. T Rama Rao was re-appointed as the Chief Minister of Andhra Pradesh.