Aam Aadmi Party leader Kejriwal, who was in Gujarat Friday, was stopped while going to meet Chief Minister Modi, shortly after he alleged widespread corruption and unemployment in the state.
Jaitley said that India had its share of mavericks who join political parties temporarily but soon discover themselves to be misfits.
"Some have even formed political parties. Their style is unconventional. They make arguments in an idiom intended to derive maximum publicity," he said.