Sreepathy CVN Kalari Chiksta Kendram

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Can anyone please advice me how good "Sreepathy CVN Kalari Chiksta Kendram" is with 'kalari marma chista'? My cousin is having problems like anxiety, back pain, neck pain, depression etc.... (The list is big). I was seeing 'Mtv top 100 videos (2004)' and found this kendram. Here is the website of the kendram
http://keralacvnkalari.com/index.htm
Since, we live in hyderabad, we don't have much knowledge about this marma chista art. Can someone please help us with follwing questions
1) How good is kalari marma chista?
2) Any side effects?
3) How good the above kendram is?
4) Are there any other kendrams or centers of this kind better than this kendram?
5) How different this type of treatment is from normal ayurvedic treatment?

My cousin is going thru hard time. Please help us. I really appreciate your response.