"Kalraj Mishra, Rajiv Pratap Rudy, Giriraj Singh, Nirmala Sitharaman, Sanjeev Baliyan and Uma Bharti will be dropped", claimed sources.
Before nine new ministers took their oath today, they were told by Prime Minister Narendra Modi that they "have been chosen with great consideration, so now please perform".
Rudy was the Minister of State for Skill Development and Entrepreneurship.
A reshuffle will help the Narendra Modi government weed out the dead wood from the government and infuse new blood in the cabinet.
According to TV reports, Union Minister Arun Jaitley is likely to give up the defence portfolio, which he was heading after the resignation of Manohar Parrikar in March. Rudy's exit from the ministry has come just when reports of a cabinet-reshuffle-cum-expansion are getting stronger.
BJP President Amit Shah had met several senior ministers on Thursday morning. He is well above 75 years-the age bar the party has informally set for ministers.
Besides this, Union Minister Mahendra Nath Pandey was appointed the president of the Uttar Pradesh unit of the Bharatiya Janata Party on Thursday evening, thus creating another vacancy in the Union Cabinet. Sources also said the Union Agriculture Minister and Union Civil Aviation Minister Ashok Gajapathi Raju may be shifted to different portfolios.
Bihar Chief Minister Nitish Kumar's JD (U) which had joined NDA after walking out of "Mahagathbandhan" might get two berths in the new Cabinet.
There is speculation that high-profile ministries such as Railways might see a change of guard, especially in light of recent derailments which prompted Suresh Prabhu to offer to resign. Modi didn't accept the resignation, and asked him to wait.
In the last elections in 2012 when Modi was the State's Chief Minister, the BJP had won 116 seats.
Union Science and Technology Minister Harsh Vardhan is holding additional charge of the Environment Ministry following the death of Anil Madhav Dave in May.