New Delhi, Jan 24 (ANI): BJP leader Harsh Vardhan, took on Aam Aadmi Party (AAP) on Friday saying that the party, which won Delhi assembly election on the basis of clean politics, should ask Delhi Law Minister Somnath Bharti to step down. Delhi Law Minister Somnath Bharti is involved in a controversy over a midnight raid that he led where four Ugandan women were allegedly mistreated. Meanwhile, Harsh Vardhan slammed Delhi state chief, Arvind Kejriwal, and said if people have chosen the party for clean politics, he should ask Bharti to resign on moral grounds.