He was brought dead to the hospital around 11.15 am after collapsing at home.
"He was brought to RML Hospital around 11.15 am. We tried to resuscitate him for 30 minutes but he could not be revived. He was declared brought dead at around 11.45 am," the hospital's medical superintendent, Dr V K Tiwary, told PTI.
The cause of the death is being investigated, sources added.
Wanaga, who was born on June 1, 1950, was elected to the Lok Sabha from Palghar in Maharashtra.