India 's leading climate modeller , r. krishnan , of the indian institute of tropical meteorology in pune , points to a study showing a " steady decline " in rainfall on the western ghats , which run down the west coast .
Another epic commute best undertaken during the june-september monsoon swaggers through the steamy jungles of the western ghats between margao in goa and londa junction in karnataka , passing within metres of the thundering dudhsagar waterfall , the fifth highest in india .
C ardamom , the second most expensive spice next to saffron , is one of the world 's oldest spices . Originating from the forests of india 's western ghats mountain range , the little green pod has traveled far and wide .
To the untrained ear it was a bubbling river of sound ; to mr suyesh , an expert on bush frog calls who can distinguish those of the 40 different species of bush frog in the western ghats , the voices of myriad individuals .