He was speaking at the inaugural function of a two-day third stock-taking conference on tiger conservation here.
Vardhan, also the Chairman of the National Tiger Conservation Authority, said the government was committed to the conservation of tigers and for that it had "added 4,000 sq km to tiger reserves".
At the time of deliberations at St. Petersburg, India's tiger estimate stood at 1,411, which, after the third cycle of the All India Tiger Estimation, 2014 nearly doubled to 2,226.
The current census for tiger estimation is currently underway.
Vardhan said: "The new India that we envisage is not only for humans but for every aspect including wildlife."
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