Our State Tamilnadu Water Supply and Drainage Board ( TWAD BOARD ) already Regionalized with ,4 Regions .HQs 1) Northern Region - Vellore,
2) Eastern Region - Hqs- Thanjavore.
3) Western Region HQs - Coimbatore.
4) Southern Region - HQs - Madurai.
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more... Our Twad board services to the Tamilnadu people very well after 4 Regionalized with powers to the concerned Chief Engineers.
Likewise our Indian Railways also Regionalized with Headquarters in our 4 Major Metropolitan cities of New Delhi,Kolkata ,Mumbai and Chennai for efficiency in Administration, Implementing Projects and Maintenance.