New Delhi: Amid rising concern over the abduction of 40 Indian construction workers in Mosul town in strife-torn Iraq, External Affairs Minister Sushma Swaraj today said all efforts are underway to rescue them and all others stranded in the violence-hit areas of the Gulf country.

Giving an assurance to the families of those kidnapped, she said every possible effort is being made to rescue them. "All efforts are underway (to rescue them). I am personally supervising the efforts. We are leaving no stone unturned to ensure their return," Swaraj told reporters here.