K. Shanmugam is being appointed Singapore's Home Affairs Minister with effect from November 1. He will concurrently hold his current portfolio of Law.
Tharman Shanmugaratnam, another ethnic Indian leader, retains his post as Finance Minister.
Announcing the Cabinet changes, Prime Minister Lee Hsien Loong said in a statement on Wednesday that Wong Kan Seng, currently Home Affairs Minister, would become the Coordinating Minister for National Security and remain Deputy Prime Minister as well.
A long-standing ethnic Indian leader, S. Jayakumar, retains his position as Senior Minister in the Prime Minister's Office, and ranks next only to the senior Mr. Lee in the Cabinet line-up.