| Recovery of Lithium, Nickel, Cobalt, Manganese, and Graphite from Spent/Used/Discarded Lithium-ion Batteries of Mixed Chemistries | CSIR-National Metallurgical Laboratory (NML), Jharkhand |
| Recycling of Spent/Used/Discarded Lithium Iron Phosphate (LFP) Batteries for Recovery of Lithium, Iron, and Phosphorus | CSIR-National Metallurgical Laboratory (NML), Jharkhand |
| REJUPAVE: Rejuvenator for Recycling of Asphalt Pavement Material for Hot in Plant and Hot in Situ Recycling of Bituminous Pavement | CSIR-Central Road Research Institute (CRRI), Delhi |
| Renewable Biohydrogen (H2) and Platform Chemical from Biogenic (solid/liquid) Waste | CSIR-Indian Institute of Chemical Technology (IICT), Telangana |
| Restoration of Nallah With Ecological Units (RENEU) | CSIR-National Environmental Engineering Research Institute (NEERI), Maharashtra |
| REVY-S (Anaerobic Granulated Sludge) | |
| Rice Husk Plastic Composite (Wood without tree) | CSIR-Institute of Microbial Technology (CBRI), Chandigarh |
| Robo Coastal Observer (RCO) | National Institute of Ocean Technology, Tamil Nadu |
| Room/Air Freshener | CSIR-North East Institute of Science and Technology (NEIST), Assam |
| Sagarvani – Words of Caution | ESSO-Indian National Centre for Ocean Information Services (INCOIS), Hyderabad |