The Golden Quadrilateral Project for the development of National Highways was initiated by Atal Bihari Vajpayee.
Option 1: P V Narasimha Rao was the Prime Minister of India from 1991 to 1996, and the Golden Quadrilateral Project was initiated in 1999 during Vajpayee`s tenure.
Option 2: I K Gujral was the Prime Minister of India from 1997 to 1998, and the Golden Quadrilateral Project was initiated after his term.
Option 3: Manmohan Singh was the Prime Minister of India from 2004 to 2014, and the Golden Quadrilateral Project was already completed by then.
Option 4: Atal Bihari Vajpayee was the Prime Minister of India from 1998 to 2004, and he indeed initiated the Golden Quadrilateral Project during his tenure.
Alert - correct answer should be: 4