Bichhnai is a village in Kosya Kutauli tehsil in district of Nainital, Uttarakhand, India. As per the data provided by Census of India in 2011, total population of Bichhnai was 34 which includes 12 males and 22 females. Bichhnai covers 24.75 ha area. Pincode of Bichhnai is 263135.