Prime Minister Narendra Modi surpasses Jawaharlal Nehru's record of 4,398 days by completing 4,399 days in office on June 10.
BJP national president Nitin Nabin and Union minister Harsh Malhotra will lead prayers and a 'havan' at Delhi's Jhandewalan temple.
Delhi Chief Minister Rekha Gupta and MP Yogender Chandolia will participate in religious ceremonies at the Ram Mandir in Kishanganj Gaushala.