The only Royal Bengal Tiger at the Delhi Zoo died on Tuesday after multiple organ failure. Zoo authorities have attributed the organ failure to his old age.
The tiger had been receiving treatment for various age related problems and succumbed to lung,liver and kidney failure,zoo officials said.
Life span of a Royal Bengal Tiger is 16 to 18 years in the wild,and of 20 to 21 years in captivity.
Ramu,the 20-year-old tiger,had been immobile for the past few months. The Delhi Zoo now has four tigresses Rani,Xingxing,Priya and Kunti.
The tiger was born in captivity in Indore zoo and was brought to the National Zoological Park in 1999. Zoo authorities are now planning to bring in another tiger to start the breeding process.
The zoo is also awaiting the birth of a white tiger.