[Monthly report, April] Diclofenac effect Vulture are important component of ecosystem as they feed on dead carcass and help to keep the environment clean. Hence, they are also called ‘Sweepers of nature’. Vulture were the most dominant raptors in south Asia not long ago. Now most of the Asian species of vulture are enlisted as critically vulnerable. From dominating the food chain to verge of extinction what caused the whole thing to happen? Scientist believe a medicine responsible for this sudden collapse of vulture population. The medicine name is Diclofenac. Diclofenac is effective drug for inflammation and pain in human as well as animals.  It is used as pain killer as well as to reduce swelling. The story develops after extensive use of diclofenac in animals for treatment. Some medicine remains in the body as residue which gradually eliminates after weeks. If treated animal fails to recover and die, the residue diclofenac is still present in carcass. The owner disposes the carcass which are feed by carnivorous animals. When vulture feeds on this feast, it severely affects the urinary system (Kidney) of bird and dies. Studies show that even very small amount of diclofenac is fetal to vulture. This whole story builds up to Diclofenac effect. The detrimental nature of Diclofenac has caused its ban for veterinary use. This has caused significant increase in number of vultures but we have a long journey ahead to restore its population.