The cubs have been sired by 'Kailash', the lone white tiger of the zoo, Zoo sources said.
'Dona' was born in the zoo on April 16, 2012 and 'Kailash' was brought from Sri Venkateshwara Zoological Park, Tirupati to this zoo on March two, 2014.
The mother and cubs will be under strict surveillance of their keeper for the next 15 days, sources added.
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