Meeting of the BJP parliamentary party will be held May 20 at 12 noon to elect the leader of the parliamentary party.
Chamling has already completed more than 20 years as the Sikkim chief minister.
At the cabinet meeting, all the ministers passed motions of thanks for the prime minister for helming the nation for a decade.
Thousands of people, led by BJP President Rajnath Singh, greeted Mr Modi, 63, on his arrival from Ahmedabad.
The seven newly elected BJP MPs from Delhi were among those who received Modi.
Hours before demitting office, Manmohan Singh said, in a brief address in Hindi and English, he is confident about the future of India.
Many expatriates said their demands could now be revived with the new govt and hoped that a new minister will bring in more financial power to MOIA.
Change is the word millions of Indians have been waiting since as far back as 2011, when the first signs emerged of a huge yearning for a clean, stable government.
Senior Bharatiya Janata Party l(BJP) eaders in Kerala do not rule out the possibility of Narendra Modi inducting ‘Metro Man of India’ E Sreedhan into his ministry if he becomes the prime minister.
It is as old as sin, arguably older since some devout Hindus contend that the land known as India was created before Eve allegedly tempted Adam with an irresistible apple in the Garden of Eden.