In an unprecedented action, Delhi Chief Minister Arvind Kejriwal and his ministers on Monday began a dharna outside Rail Bhawan demanding action against police officials who refused to carry out a raid on an alleged drug and prostitution racket in South Delhi last week. br br Information & Broadcasting Minister Manish Tewari walks to office as AAP protesters surround his car.br br We are ground level workers, such protests don't affect us, says Manish Tewari.