Rajinikanth is considered as the ultimate superstar, surrounded with fame and legendary fan following. He is the guru of most film actors. But, many have often asked who Rajinikanth's spiritual guru is? Every year, the Tamil superstar conducts a pilgrimage to foothills of Himalayas, where he meditates in silence and secrecy. India Today travelled to the mountain-state of Uttarkhand, trekking over hills, driving on narrow passages to explore this lesser-known fact about the celebrated artist.