Mahendrabhai faced serious problem of black caterpillars in his crop of radish and spinach. He observed that in a particular local plant, there was no attack of the caterpillar. Using the plant, he prepared a herbal formulation, which he used to very good affect in his field.

SRISTI, Ahmedabad made efforts to validate the practice to see its effect on common pests of vegetables and it was found that the
formulation gave 60 per cent positive result. Further trials are being conducted in SRISTI on a larger scale to validate the practice.

NIF has filed a patent for the technology in the innovator’s name.