Brother, Praveen Pagadala is an Author & Apologist. He is a writer for “Telugu Christian Apologetics Church”. He wrote a wonderful book in “Telugu” “త్రిత్వం శిరసా నమామి (Tritvam Sirasaa Namaami”) which explains clearly about the True Tri-une Nature of GOD. He conducted many seminars & talks about Christianity, Islam, Jehovah Witness…etc. & He is running http://sakshitelugu.com/ website.