New Delhi/ Rajasthan, June 19 (ANI): Politicos from opposition parties on Thursday slammed the BJP for remaining silent in the case of junior minister for Chemical and Fertilisers, Nihal Chand. Chand and 17 others were summoned by a district court in Jaipur on June 12 after a 20-year-old woman filed a complaint accusing her husband and his friends including the minister in a sexual assault case.