India, March 20 -- Prateek Bordoloi stepped down as the Congress candidate citing "changed circumstances" on Thursday, a day after his father and Nagaon MP Pradyut Bordoloi quit the party to join the Bharatiya Janata Party (BJP) ahead of the Assam assembly elections.

A political debutant, Prateek was named by the Congress as its candidate for Margherita, a seat his father had represented in the assembly for four terms, in its first list released earlier this month. However, the elder Bordoloi's defection to the BJP appears to have upended the party's plans in the constituency.

In a letter to Congress president and chairman of the Central Election Committee Mallikarjun Kharge on Wednesday, Prateek said it would be inappropriate for him t...