Complex sentence: Dr Lajpat Rai Munger, a US citizen, originally from the village of Nagal Sadhian Hoshiarpur, adopted Swami Sarvanand Giri Maharaj as his guru.
Split into simpler sentences: Dr Lajpat Rai Munger, a citizen of the USA, came from the village of Nagal Sadhian Hoshiarpur. Munger adopted Swami Sarvanand Giri Maharaj as his guru.