Mallya on Tuesday said that Kejriwal was pursuing in 'unconventional methods' to attain his objectives, while asserting that there should be no "witch-hunt" against industrialists.
Ahead of the Lok Sabha elections, Mallya said that some political parties were making use of the elections and and some parties have stepped up trading accusations, which should be taken with a pinch of salt.
"I think Mr Kejriwal is pursuing unconventional methods to achieve his objectives. Industry must be respected as it contributes to economic growth, it should be treated with dignity and respect. If Reliance or any other company has done (something) that should not be done, there is a due process of law. But clearly I would not support any witch-hunt," he said outside Parliament.
This comes to light after Kejriwal hit out at petroleum minister Veerappa Moily and Reliance Industries chairman Mukesh Ambani.
Kejriwal has demanded an FIR against Mily and Ambani.