Idukki Gold (2013)

Five friends get separated during their school days, meet up after 35 years and decide to head back to their school in order to relive their teenage indulgence... smoke joints of marijuana that was exclusively available in Idukki... its better known as "Idukki gold". As the movie concludes they realize that true Idukki gold was their "friendship"... not "Marijuana", that they were searching for.