Nahan is a town in Sirmaur district at Indian state of Himachal Pradesh with population of 56,000. The average literacy rate of Nahan is 85%. Lot of Educational institutions are found in Nahan. List of IAS Coaching Centres in Nahan. UPSC Aspirants can easily select the best IAS Coaching Centers in Nahan. To add your UPSC Coaching Center details in this Nahan page freely, please mail your information to firstname.lastname@example.org. We have listed the Best Civil service coaching classes and Top 10 IAS Training Institutes in Nahan.