Modi's most trusted aide, Shah is tipped to become his boss's cabinet enforcer with a post in the Prime Minister's Office. A portly and bearded 50-year-old, Shah is highly regarded by Modi as a political strategist . However Shah is tainted by allegations of masterminding extra-judicial killings during his tenure in Gujarat as home minister. He denies all charges.
Widely tipped to become finance minister, Jaitley was one of India's most succesful lawyers before he became leader of the opposition in India's upper house of parliament, the Rajya Sabha. The 61-year-old is also one of the most articulate and liberal voices of the BJP and is often the party's choice to address the media.
Swaraj is the current leader of the opposition in the lower house of parliament and the BJP's most senior woman leader. Now aged 62, she became India's youngest cabinet minister in 1977 after the end of Indira Gandhi's emergency government. A fiery orator, Swaraj was one of the few BJP leaders to oppose publicly Modi's elevation as the party's prime ministerial candidate. She could become the foreign minister in Modi's cabinet.
BJP president and arguably the most high-ranking member leader of the party after Modi, Singh is a former chief minister of Uttar Pradesh and has previously served as federal agriculture minister. Singh, 62, has been tipped to become Modi's next home minister. Like Modi and Shah, he also rose through the ranks of the RSS and was a physics lecturer before becoming a politician.