I'm not entirely sure specifically what 'gojo web novel' is about as there could be many web novels with that name or something similar. It could be about a character named Gojo in a fictional story, perhaps set in a fantasy world with magic, adventures, and unique characters.
Well, you could try looking on specialized Indian streaming services that often have a wide range of foreign dramas dubbed in Hindi. Sometimes, local TV channels also air such shows.
Toge Inumaki is important too. His special cursed speech ability makes him stand out. Also, the principal of the school, Masamichi Yaga, is likely to be important as he is in a position of authority and has an influence on Gojo and the other students. There could be other characters like the members of different clans that also play roles in the complex web of the story.
Diwali is one of the most important Hindi festivals. It is the festival of lights and symbolizes the victory of light over darkness. People light diyas, decorate their houses and exchange gifts.
Indian Hindi folktales are rich in culture and values. They often teach moral lessons. For example, the story of 'The Clever Monkey' which shows how intelligence can help one overcome difficulties.