Vettriselvan worked in the Private Sector Engineering Industry for 23 years. He became part of Christian Fellowship Church, Bangalore in 1983. He moved to Chennai in the year 1988 and Chennai CFC was started in his house as a small house church in the year 1989. He was an elder of CFC Chennai until 2002. After getting a call to serve the Lord full-time in the year 2004, he started traveling to places where the Lord opened doors to preach the gospel and encourage many CFC related churches. In 2013, he came back to Bangalore and was made an Elder in April 2015. Vettriselvan's family includes his wife, four sons and two daughters. He has developed standalone mobile bibles for Java based mobile phones for free distribution since 2008, and has created many Indian language bible modules for MySword bible application for Android OS smart phones for free distribution. Like the other elders in CFC, Vettriselvan also supports himself, taking no salary from the church.