India, March 22 -- PM Narendra Modi on Sunday completed 8,931 days in office, becoming the country's longest-serving head of an elected government.

He surpassed Pawan Kumar Chamling, who had held the record with a tenure of 8,930 days as Chief Minister of Sikkim.

Modi's milestone includes his combined tenure as Chief Minister of Gujarat and as Prime Minister of India.

Modi was sworn in as Chief Minister of Gujarat on October 7, 2001, and served for over 13 years until May 21, 2014.

Following the Bharatiya Janata Party's landmark victory in the Lok Sabha elections, he took oath as India's 14th Prime Minister on May 26, 2014.

Congratulating him on the achievement, Union Home Minister Amit Shah wrote on X: "A milestone rooted in service...