Sirmaur, Sept 27 (ANI): A private mini-bus skidded off the road and rolled down more than a 500-foot deep gorge in Himachal Pradesh's Sirmaur district on Friday killing 21 people travelling in it. According to police all bodies have been recovered, most of them badly mutilated, from the wreckage of the bus. The bus was on its way from Ucha Tikkar to Renuka-ji, a place famous for a Hindu shrine.