Complex sentence: Princess Himani Shah Devi was married to controversial Paras, Crown Prince of Nepal in December 1998 and was declared the Crown Princess of Nepal in October 2001 amidst various royal protocals.
Split into simpler sentences: Princess Himani Shah Devi was married to Prince Paras of Nepal in December 1998. Her husband became Crown Prince of Nepal in October 2001, and she was declared the Crown Princess of Nepal the same month amidst various royal protocals.