Describing the environment minister as a dedicated public servant, Patnaik expressed his deepest condolence over Dave's untimely death.
"Shocked to learn of the sudden demise of Union Environment Minister Anil Madhab Dave. He was a dedicated public servant. My deepest condolences," Patnaik tweeted.
Union Minister Dharmendra Pradhan in his twitter post said, "Today is really a sad day. We lost an ever smiling environmentalist & a great Bollywood actress. May the departed soul rest in peace.