New Delhi, Jan. 29 -- The Supreme Court has questioned the political motives of BJP MLA Basangouda Patil Yatnal for challenging the Karnataka government's withdrawal of consent for the Central Bureau of Investigation (CBI) to prosecute Congress leader and Deputy Chief Minister D K Shivakumar in a disproportionate assets case.

"Why are you, for political mileage, before the Supreme Court? Go there in the political field and contest the election," Justice Surya Kant remarked on Monday.

A bench, comprising Justices Surya Kant and N Kotiswar Singh, was hearing Yatnal's challenge against the Karnataka High Court's decision dismissing his petition questioning the withdrawal of consent for the CBI probe.

The Court also listed a plea by the CBI ...