• Principal Investigator of the Research Project, "On spectra of weighted digraphs" by NBHM-DAE, 2022-25. Completed
• Principal Investigator of the project Core Research Grant "On spectra and energy of signed graphs" by SERB-DST India (CRG/2020/000109), Completed
• Principal Investigator of the project Mathematical Research Impact Centric Support (MATRICS) titled "On spectra and Laplacian spectra of graphs" by SERB-DST (MTR/2017/000084) Completed
• Principal Investigator of the Project titled, “ Energy and Laplacian energy of graphs” by SERB-DST India (EMR/2015/001047) Completed
• Principal Investigator of the Project titled, “ Zero divisor graphs in rings” by University Grants Commission (UGC) India (MRP-MAJOR-MATH-2013-8034) Completed
• Principal Investigator of  Fast Track Project IN090044 titled ”Imbalance sequences in directed graphs” funded by King Fahd University of Petroleum and Minerals  (Co-Investigators: Koko K Kayibi and Abdulaziz al Assaf, September 2009-August 2010.