Explanation:

 Shaheed Bhagat Singh Nagar (Nawanshahr) District is situated on the right bank of mighty river Sutlej. It is situated at a distance of 92 Kms from Chandigarh. It is surrounded by four districts. The west border of the District touches Jalandhar, east border with Roop Nagar, northern border meets with District Hoshiarpur and its southern border touches Ludhiana and Kapurthala Districts. The town 'Shaheed Bhagat Singh Nagar (Nawanshahr)', is said to have been built during the reign of Alaudin Khilji (1295-1316) by his Afgan Military Chief Nausher Khan. Previously, it was called 'Nausar' but with the passage of time, the town came to be known as 'The Nawanshahr. Nausher Khan had constructed five forts known as Havelis, whose remains still exist.
On 27 September 2008 at Khatkar Kalan, 8 km from Nawanshahr, the Punjab government announced that a district in the state would be named after freedom fighter Bhagat Singh. The announcement was made by Punjab Chief Minister Parkash Singh Badal to mark Bhagat Singh's 101st birth anniversary and Nawanshahr district was renamed as Shaheed Bhagat Singh Nagar.