Very average. The film, which could have been made in a more realistic manner, abounds in several absurdities. Can't understand why the friends or the police or other assistants could not have extended the rope into the cave in time, rather than wasting time in useless dialogues. So, making it a suspense filled movie, it looks like a drag.
Can't think of even the rescue team being reluctant to enter the cave. Then, why is it a rescue team at all ?
One amongst the friends group finally enters the cave with police and rescue team being mute spectators !!!
Overall, the director has lost the plot right from the beginning itself.