In a series of appointments, the Prime Minister's office (PMO) inducted five officers, including a joint secretary, three deputy secretaries and a director on Friday.
The development follows the appointment of PK Sinha as Officer on Special Duty (OSD) in the PMO. Mr Sinha superannuated as cabinet secretary on Friday.
Prime Minister Narendra Modi's Principal Secretary Nripendra Misra also decided to step down from his post after serving as a key aide of the PM for over five years.
He has been asked to continue for two more weeks.
Following the high-profile changes, the Appointments Committee of the Cabinet (ACC), led by the Prime Minister, inducted IAS officers Arvind Shrivastava and Hardik Satishchandra Shah as the joint secretary and deputy secretary respectively in the PMO.
Mr Shrivastava, a 1994-batch IAS officer of the Karnataka cadre, is currently serving as joint secretary in the Department of Economic Affairs, Ministry of Finance. He played a crucial role in the preparation of the annual general budget this year.
In a separate government order, the ACC appointed Mr Shah, a 2010 batch IAS officer of the Gujarat cadre -- presently posted as private secretary to Environment Minister Prakash Javadekar -- as deputy secretary in the PMO.
The Competent Authority also cleared the appointment of Abhishek Shukla, Pratik Mathur -- both Indian Foreign Service officers of the 2006 and 2007 batches respectively -- as deputy secretaries and Saurabh Shukla, Indian Audit and Accounts Service of 2005 batch as the director in the top office, the government order said.
"Congress Ecosystem Is Angry": PM On Ganesh Puja At Chief Justice Home Akshay Kumar, Chiranjeevi, Rajinikanth Wish Prime Minister Narendra Modi On His 74th Birthday Live Updates: First 100 Days Of Modi 3.0, Ministers Unveil Report Card "Make Your Son Chief Minister": Atishi To Delhi On Replacing Arvind Kejriwal "Your Duty...": Chief Justice On Bengal's 'No Night Shift For Women' Note AAP's Atishi To Be Delhi's New Chief Minister, Chosen By Arvind Kejriwal 17-Year-Old Cheerleader From 'America's Got Talent' Dies By Suicide Vineet Goyal Out, 1 Of These 5 Officers Could Be Next Kolkata Top Cop XAT 2025 Mock Test To Be Held On September 25 Track Latest News Live on NDTV.com and get news updates from India and around the world.