Delsar Kalan is a village in Nawalgarh tehsil in district of Jhunjhunun, Rajasthan, India. As per the data provided by Census of India in 2011, total population of Delsar Kalan was 818 which includes 418 males and 400 females. Delsar Kalan covers 307.48 ha area. Pincode of Delsar Kalan is 333707.