Complex sentence: Finally he was declared apostate and went through extreme kind of humiliation at the hands of people in Lucknow; the very people he had so fondly adopted that he changed his mame from Yaas Azeemabadi to Yagana Luckhnawi.
Split into simpler sentences: Finally he was declared apostate and went through extreme kind of humiliation at the hands of people in Lucknow. The place and people he had so fondly adopted that he changed his Name from Yaas Azeemabadi to Yagana Luckhnawi.