• Developed a unique Dolphin Tracking technology using Passive Acoustic Monitoring in collaboration with University of Tokyo. System has been deployed in the Ganges river for monitoring Ganges dolphins at Narora, UP, since 2008.
  • Developed algorithms for Classification and Tracking of Sperm Whales from their Click Sounds. Joint work at University of Tokyo as Guest Professor. Conducted field experiments off Ogasawara Islands in Pacific Ocean for passive tracking multiple diving whales.
  • Techniques for Automatic Recognition of Humpback Whales from their Songs. Joint work at University of Tokyo as Guest Professor.
  • Designed a unique Autonomous Humpback Whale Song Tracking Sonar. Joint work at University of Tokyo as Visiting Researcher
  • Designed a unique Programmable Test Signal Generator for Sonars.Developed for use as a test-bed for real-time testing of Sonars in realistic scenarios.