Choudhary contested the 2019 Lok Sabha election from Muzaffarpur as a candidate of the Vikassheel Insaan Party (VIP), then part of the opposition alliance, and lost. Ahead of the 2024 election he joined the BJP, which fielded him from Muzaffarpur in place of sitting MP Ajay Nishad, who had moved to the Congress.
In 2024 he defeated Ajay Nishad by 2,34,927 votes, according to Election Commission of India data. On 9 June 2024 he took oath as a Minister of State and was given charge of the Ministry of Jal Shakti, which handles water resources, river development and drinking-water programmes.
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