Iraq
Brazil
Argentina
Yemen
Sulphuric acid
Ozone
Carbon monoxide
Nitric acid
Maharashtra
Gujarat
Andhra Pradesh
Punjab
Borneo
Malagasy
Sumatra
New Guinea
Gandhi Sagar Dam - Chambal River
Sardar Sarovar Dam - Narmada River
Tallaiya Dam - Konar River
Nagarjuna Sagar Dam - Krishna River