State-wise Frequency of Water Quality Monitoring Stations in Eastern India (2002 to 2004, 2008 and 2009) | ||||||
States/UT | Year | Monthly | Half Yearly | Quarterly | Yearly | Total |
West Bengal | ||||||
Odisha | ||||||
Bihar | ||||||
Jharkhand | ||||||
Chhattisgarh | ||||||
Andaman and Nicobar Islands | ||||||
Eastern India | ||||||
India | ||||||