Complex sentence: Rinpoche entered the Dzongsar Institute of Advanced Buddhist Studies, which is under the care of Dzongsar Khyentse Rinpoche, in Bir, India and received a Khenpo degree, comparable to a PhD in Buddhist Philosophy.
Split into simpler sentences: Rinpoche entered the Dzongsar Institute of Advanced Buddhist Studies, which is under the care of Dzongsar Khyentse Rinpoche, in Bir, India. There, Rinpoche received a Khenpo degree, comparable to a PhD in Buddhist Philosophy.