What is the solution for prevention of accident between elephant and train at siliguri-Alipurduar Jn. Route?

train runs in this route crosses so many elephant corridor and accident of elephant occurs more or less everyday. to save the elephant and other wild animal from railways it is very urgent to reduce the train no. on that route by increasing the train no.at newjalpaiguri- falakata- new bangaigaon route by doubling the track.