Sihlinagar is a village in Anupshahr tehsil in district of Bulandshahr, Uttar Pradesh, India. As per the data provided by Census of India in 2011, total population of Sihlinagar was 824 which includes 440 males and 384 females. Sihlinagar covers 164.99 ha area. Pincode of Sihlinagar is 202398.