Kothi Gadhni is a village in Devprayag tehsil in district of Tehri Garhwal, Uttarakhand, India. As per the data provided by Census of India in 2011, total population of Kothi Gadhni was 119 which includes 56 males and 63 females. Kothi Gadhni covers 136.35 ha area. Pincode of Kothi Gadhni is 249126.