Complex sentence: It is also a tribute to Pandit Jasraj's guru, his mentor and his elder brother, Pandit Maniram, who died in 1986, and Jasraj renamed the festival to include his brother's name.
Split into simpler sentences: It is also a tribute to Pandit Jasraj's guru, his mentor and his elder brother, Pandit Maniram. After his brother's death in 1986, he renamed the festival to include his brother's name.