Atal Bihari Vajpayee served as Prime Minister of India in 1996 for a short period from 1998 to 1999 and then from 1999 to 2004.
President Draupadi Murum, Prime Minister Narendra Modi and trade union ministers paid their deepest respects to the former prime minister on Tuesday on the fourth anniversary of his death in Delhi.
Leaders paid tribute to the late prime minister, a prominent leader of Sadaiv Atal's Bharatiya Janata party, with flowers on his death anniversary.
They also attended a prayer meeting commemorating BJP followers who were integral to the rise of the BJP in the late 1990s.
Vajpayee, a Bharat Ratna award winner who served as prime minister for six years from 1998 to 2004, died in 2018 at the age of 93.
Vajpayee's role was crucial in the rise of the BJP in the late 1990s.