Chachiyawas is a village in Kotkasim tehsil in district of Alwar, Rajasthan, India. As per the data provided by Census of India in 2011, total population of Chachiyawas was 358 which includes 192 males and 166 females. Chachiyawas covers 95.89 ha area. Pincode of Chachiyawas is 301702.