8. Principal Investigator: "A study of convexity parameters, lp - functions, Steiner sets and related problems on Graphs" Sponsored by Science Engineering Research Council, Department of Science and Technology, Government of India (2018 - 2021)
7. Principal Investigator : Study on anticenter functions of some graph classes: Kerala State Council for Science, Technology and Environment, Government of Kerala. 2018 (Project for Masters Student).
6.Principal Investigator : A brief survey of mathematical applications in other subjects: Kerala State Council for Science, Technology and Environment, Government of Kerala. 2017(Project for Graduate Student)
5. Principal Investigator: "A Study on axiomatic characterizations, convexity and distance related problems on graphs and its products and, Graphs arising from Rings" Sponsored by Science Engineering Research Council, Department of Science and Technology, Government of India (2016 - 19)
4. Co-Investigator: Transit Functions on Graphs and Betweenness with Applications to Community Detection sponsored by National Board for Higher Mathematics, An autonomous Body under Department of Atomic Energy, Government of India (2014 - )
3. Principal Investigator: A Study of Metric Related Transit functions on Graphs (Digraphs) and Hypergraphs,Sponsored by University Grants Commission,Government of India - (2011-2013)
2. Associated with Metric Graph Theory and Applications:Indo - Slovenian Project (2012 - 2014) international collaboration
1. Associated with Metric Graph Theory and Applications: Indo - Slovenian Project (2007 - 2009) international collaboration
7. Principal Investigator : Study on anticenter functions of some graph classes: Kerala State Council for Science, Technology and Environment, Government of Kerala. 2018 (Project for Masters Student).
6.Principal Investigator : A brief survey of mathematical applications in other subjects: Kerala State Council for Science, Technology and Environment, Government of Kerala. 2017(Project for Graduate Student)
5. Principal Investigator: "A Study on axiomatic characterizations, convexity and distance related problems on graphs and its products and, Graphs arising from Rings" Sponsored by Science Engineering Research Council, Department of Science and Technology, Government of India (2016 - 19)
4. Co-Investigator: Transit Functions on Graphs and Betweenness with Applications to Community Detection sponsored by National Board for Higher Mathematics, An autonomous Body under Department of Atomic Energy, Government of India (2014 - )
3. Principal Investigator: A Study of Metric Related Transit functions on Graphs (Digraphs) and Hypergraphs,Sponsored by University Grants Commission,Government of India - (2011-2013)
2. Associated with Metric Graph Theory and Applications:Indo - Slovenian Project (2012 - 2014) international collaboration
1. Associated with Metric Graph Theory and Applications: Indo - Slovenian Project (2007 - 2009) international collaboration