I want to visit my brother in shenyang and attend a ceremony of lord Guan Yin worship in Xiame,chin

I'm an Indian,I never been to china before. Last time i was trying from bangkok but i can't get from there. My brother study in shenyang normal University,Shenyang, China. I want to visit him and we are buddhist and the follwer of Lord Guan yin.Actually there is a festival in china of vegetarian eating and worship of Lord Guan yin on october about 15 days. So i want to attend that ceremony and visit my brother.duration about 20-25 days. How can i get a Tourist Visa or arrival visa, whats the fee and all documents details which has to submitted.