TAMILNADU POLLUTION CONTROL BOARD
TAMILNADU POLLUTION CONTROL BOARD The circular blue colour emblem of Tamilnadu Pollution Control Board (TNPCB) has a globe referring to earth with layers of atmosphere, water and the soil with ‘தமிழ்நாடு’ is written in between. The colour blue symbolises all the elements of nature,serenity, calmness, trust, spirituality, calmness, wisdom, freedom, openness, intelligence and loyalty.