While out hunting with his partner Bira Shah, they came across Biggles' encampment by the shore of lake Thimbi Tso. They told Biggles they did not know where the camp of Captain John Toxan was. Ram Shan, a fellow hunter from their village had seen Toxan before but he would only agree to lead Biggles there if the tiger terrorizing their village was first eliminated.
When Biggles and Bertie succeeded in killing the tiger, he sent Mata Dhinn with a note to inform Algy of the news. Mata Dhinn told Algy that, according to Ram Shan, Toxan's camp was in the Nullah Tangla, and he agreed to show Algy the way, from the air.
Later, Mata Dhinn joined Biggles' party at the nullah, having come by foot with a supply of food from Algy. Subsequently he assisted in evacuating the party from the nullah, carrying the injured Captain Toxan to the lake shore where he was placed on board the Gadfly and taken to Delhi.