In 2015 August, the Kerala Congress faction led by P. C. Thomas came out of the Left Democratic Front (LDF) following acute infighting and decided to join the Kerala unit of the Bharatiya Janata Party-led National Democratic Alliance (NDA). In March 2015 a faction led by Skaria Thomas had formed a new party Kerala Congress (Skaria Thomas) and decided to continue with the LDF. and PC Thomas contested from Kottayam (Lok Sabha constituency) for NDA In October 2020, it was reported that P. C. Thomas was leaving NDA and was likely to join the United Democratic Front (UDF). The party however decided to stay in the NDA and extended their support to NDA candidates in the 2020 Kerala local elections.