 Over the next two decades, he undertook the investigation of the littoral fauna of Krusadai Island, Gulf of Mannar, revived the Bulletin of the museum, and embarked on the scientific preservation, study and interpretation of the museum's collections.His work on "Arachnida" and "Mollusca" significantly enhanced the collections of the museum in the two zoological groups.He was also responsible for enlarging the reserve collection, particularly of Invertebrates.