In Tamil Nadu, a massive afforestation exercise is going on in the popular Karaivetti Bird Sanctuary in Ariyalur district, near Trichy.<br />” <br />” A large number of individuals as well as organisations have come forward to reclaim the lush greenery of the sanctuary.<br />” <br />” The sanctuary, with an area of 453 hectares, is one of the most important freshwater feeding grounds for migratory water birds in Tamil Nadu.<br />” <br />” Of the 188 species of birds recorded in the sanctuary, 82 are water birds.<br />” <br />” The best time to visit the sanctuary for bird watching is October-March.<br />” <br />” The sanctuary is easily accessible by bus or car from Trichy, which is connected to Chennai and other parts of the country and abroad by frequent flight and train services.<br />” &nbsp;