Bichgaon is a village in Lachhmangarh tehsil in district of Alwar, Rajasthan, India. As per the data provided by Census of India in 2011, total population of Bichgaon was 4,177 which includes 2,199 males and 1,978 females. Bichgaon covers 770.44 ha area. Pincode of Bichgaon is 321607.