Official Twitter Handles
Here are the official Twitter handles of various departments to get your complaint sorted, immediate action needed or need help.
https://twitter.com/EB_Adyar_Tmbm (South Circle)
https://twitter.com/sechennaicentrl (Chennai Central)
https://twitter.com/ChennaiTraffic (Traffic Police)
https://twitter.com/tnpoliceoffl (TN Police)
Chennai Metro Water:
Greater Chennai Corporation:
Tamil Nadu Weather:
Will update with more handles soon!