Davidar, in his position as Secretary of IT, plays a critical role in the growth of IT in TamilNadu.

He entered the Indian Administrative Service in 1986 after teaching Political Science in Madras Christian College for five years.

He has held various positions within the government. Here are a few

- Commissioner, Madurai Corporation
- Collector, Vellore
- Director, Handlooms & Textiles
- Special Secretary, Health & Family Welfare Department
- Chairman, Electronics Corporation of Tamil Nadu Ltd