Kolkatans fish in polluted waters
Alarming as it may sound Kolkatans consume toxic metals like mercury cadmium, lead and chromium, 300 times the permissible limit, everytime they eat fish caught from bheris. These toxic metals find
Alarming as it may sound Kolkatans consume toxic metals like mercury cadmium, lead and chromium, 300 times the permissible limit, everytime they eat fish caught from bheris. These toxic metals find