Co-treatment of domestic septage and municipal solid waste landfill leachate using dry-thermophilic anaerobic digestion for the production of bioenergy and biofertilizer
(Principal Investigator, Biotechnology Industry Research Assistance Council, A Government of India Enterprise).

Maintenance of Sanitation and Solid Waste Management for Swachh Andhra Pradesh
(Principal Investigator, Municipal Administration and Urban Development, Government of Andhra Pradesh).

Anaerobic co-digestion of food waste and organic fraction of municipal solid waste for the production of biogas and concomitant use of biogas as fuel for cooking and spent slurry as fertilizer.
(Principal Investigator, Centre of Research Excellence in Waste, Water & Energy, BITS Pilani).

Novel biomarker responses to validate acute toxicity of engineered nanoparticles and their physicochemical interactions in earthworms as a model bioindicator of nano(eco)toxicology.
(Principal Investigator, Department of Biotechnology, Government of India).

Studies on the characterization of engineered nanoparticles (ENPs) and their toxicological and biochemical effects on Eisenia foetida earthworms.
(Principal Investigator, Research Initiation Grant).

Improvement of the existing systems for disposal of municipal solid waste in tsunami-affected coastal villages at Karaikal & Nagapattinam districts, Tamil Nadu, India.
(Principal Investigator, Swiss Red Cross).

To develop design criteria for high-rate vermicomposting systems based on experimentation, mathematical modelling, and optimization.
(Senior Research Fellow, Department of Biotechnology, Government of India).

Pro-Poor Public Private Partnership for Pondicherry Urban Environment, PURE.
(Consultant, ADEME, France).

Asia Pro Eco Programme.
(Consultant, European Commission).

Asia Urbs Programme.
(Consultant, European Commission).

Ward Adoption Programme.
(Project Associate, Ministry of Environment and Forests, Government of India).