HARYANA is known to be the granary of India. In an effort to bring about the green revolution the scientists have evolved numerous varieties of wheat coupled with the use of chemical fertilizers, rotation of crops and the controls of food grains pests. The indiscriminate use of pesticides has raised many eye-brows.The recent resurvey of the Ganga and its tributary Yamuna has shown that its pollution has led to the disappearance of some fishes. It is, therefore, essential that periodic surveys should be undertaken so that the species are not lost to science. The importance of Mahaseer is well...