"I have worked in Mumbai long time ago and several things has changed. The city being a dynamic and a mega-polis, (it) has several challenges," he told reporters here.
"In this regard, the police personnel have to always be alert to deal with the problems arising day in and day out", Padsalgikar, a 1982 batch officer, said.
He took over from outgoing Police Commissioner Ahmed Javed, who is set to head to Saudi Arabia as its Ambassador after he retired from police serive today.
Speaking on terror outfit ISIS, Padsalgikar said, " Considering the threats of ISIS, an awareness about such organisation should be among everyone."
"From police's side, we have to identify the indoctrinated youths, the recruiters and take appropriate action, which will be done in near future," Padsalgikar added.
The top cop praised the lower level and middle level rank officers saying, "these cops has lots of pressures to deal and they work a lot in reality than the higher ups.