The study of land-use pattern using remote sensing is a popular tool for researchers after the advent of high-resolution multispectral imagery.

In recent times, there have been media reports that fluoride contamination is widespread in West Bengal. It has been highlighted that 60 blocks in eight districts,viz. Bankura, Barddhaman, Birbhum,Purulia, Midnapur, Malda and West Dinajpur are affected.