Rural Development Minister Jairam Ramesh, Minister of State for Home R.P.N. Singh, Corporate Affairs Minister Sachin Pilot and Power Minister Jyotiraditya Scindia are some others likely to go Natarajan's way, according to party sources.
The rejig was in the pipeline since the rout faced by the party in the recent assembly polls.
Rahul had said after the results they would take lessons from the Aam Aadmi Party (AAP), which made a spectacular debut in Delhi with 28 seats in the 70-seat assembly.
Petroleum and Natural Gas Minister M. Veerappa Moily has been given additional charge of the environment and forests ministry.