Senior-most Supreme Court judge Justice Tirath Singh Thakur was today sworn in as 43rd Chief Justice of India by President Pranab Mukherjee at a function in RashtrapatiBhavan. 63-year old Justice Thakur took oath in the name of God at a brief ceremony in the imposing Durbar Hall of RashtrapatiBhavan which was attended by Prime Minister Narendra Modi, his cabinet colleagues and former Chief Justices, among others.