Nawab Singh Nagar joined RSS during his college days and eventually joined BJP in the mid 1980s as the party was formed. He contested his first assembly election from Dadri Constituency in 1993 on BJP symbol but lost to Sameer Bhati. He won his first election in 1996 defeating Sameer Bhati in the same constituency. In 2002, he was elected again. As BJP formed government in 2002, Nawab Singh was appointed as the State Irrigation Minister. Nagar lost assembly election in 2007 to BSP candidate Satveer Gurjar. In 2013, he was appointed as the National Vice President of BJP Kisan Morcha. When BJP was formed in 1980, Nawab Singh Nagar was appointed as the first Mandal president of Noida and also welcomed Atal Bihari Vajpayee on his first visit to Noida.
Social works
Nawab Singh Nagar regularly works for social causes and has successfully raised voice against many government policies like hike in stamp duty and transfer of Noida city funds outside the city. During Ayodhya protest, he was detained by police for 21 days in Saharanpur Jail. He was also detained for raising voice against then Noida Authority Chairperson Neera Yadav and sent to custody in Meerut. He was jailed several times and arrested a dozen times for Farmer's right agitation and District reinstatement protest. He also started agitation against hike in electricity charges in Noida in January 2016. He started protesting against the toll collection on DND Flyway in 2014 and held many strikes and in 2015 organized massive car rally to create awareness against it. On 28 August 2016 Nawab Singh started infinite protest against toll collection and got arrested on 29 August 2016 after staging overnight protest and making DND toll free for two days. On 26 October 2016, Supreme Court ordered to make DND Flyway toll free. On 27 December 2016, Nawab Singh protested against the exploitation of twenty one thousand land allottees by yamuna authority and filed a PIL in Allahabad High Court. The protest was successful as the allotment was started by the authority within few weeks of PIL. He has been raising voice over different public issues against the acting governments for a very long time.
Controversies
In 2015, Nawab Singh came into limelight when he justified the infamous Dadri lynching of Mohammad Ikhlaq by locals due to consumption of beef and called the accused as "innocent kids", which created a huge outrage accusing him of aggravating the violent situation. In 2017, there was a huge protest by the supporters of Nawab Singh when BJP denied him MLA ticket from Dadri Constituency. His angry supporters accused Gautam Budh Nagar MP Dr. Mahesh Sharma for using his veto power against Nawab Singh since Mahesh Sharma was afraid of Nagar's stronghold in his constituency.
