Kerala Pradesh Congress Committee (KPCC) president K Sudhakaran has warned party’s Lok Sabha MP Shashi Tharoor that if he did not abide by party decisions, he “will be out” of the Congress. Sudhakaran’s warning comes after Shashi Tharoor refused to sign a letter by the United Democratic Front (UDF) MPs to the central government to protest semi-high speed rail corridor project called the Silver Line Project of the Kerala government.