Dr. Sunil John practices at Valliyath Dental Care Dr. Sunil John is a Dentist in Vanchiyur, Thiruvananthapuram and has an experience of 22 years in this field. Dr. Sunil John practices at Valliyath Dental Care in Vanchiyur, Thiruvananthapuram. He completed BDS from Vinayaka Missions Sankarachariyar Dental College in 1994 and MDS from Coorg Institute of Dental Sciences in 2011.