Arvinder Singh was born to former minister and veteran Congress leader
Buta Singh, in a
Scheduled Caste Sikh family. In the
2008 Delhi Assembly elections, Congress gave him a ticket from Deoli. His father, who was the Chairman of
National Commission for Scheduled Castes at that time, took leave from work to campaign for him. He achieved a surprise victory, defeating
BSP's Sreelal by a big margin of 16,627 votes. In 2010, he raised the issue of
reservation for scheduled castes in
Delhi Sikh Gurdwara Management Committee. The proposal was shot down by his namesake
Arvinder Singh Lovely, who was the Delhi Gurudwara election and administration minister at that time. In the
2013 Delhi Assembly elections, he was defeated by
Prakash Jarwal of
AAP. In 2015, he left Congress to join BJP. but returned to Congress in 2020. == Death ==