Earlier on Monday following uproar over killing of tigress Avni in Maharashtra's Yavatmala district on Friday, Rahul Gandhi tweeted, "The greatness of a nation can be judged by the way its animals are treated. Mahatma Gandhi #Avni."
Reacting to this on the sidelines of a function here, Vardhan said, "I think no previous government had worked with such honesty and seriosuness that this government does."
He said that his government does not need a certificate from Rahul Gandhi.
"It is nothing but a straight case of crime. Despite several requests from many stakeholders, (Sudhir) Mungantiwar, Minister for Forests, Maharashtra, gave orders for the killing," she said in a series of tweets.
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