All you have to do, instead, is to visit Najafgarh drain where you will find various species, including residents and migratory birds. Najafgarh drain has become the favourite destination for birds.

An Annual bird census shows that birds are not flocking the Okhla Sanctuary and Yamuna River, instead they are moving towards Najafgarh Drain where the number of species has unexpectedly increased in the last three years.