Bas Harnath Singh is a village in Ramgarh tehsil in district of Alwar, Rajasthan, India. As per the data provided by Census of India in 2011, total population of Bas Harnath Singh was 426 which includes 227 males and 199 females. Bas Harnath Singh covers 111 ha area. Pincode of Bas Harnath Singh is 301026.