"That's four hat-tricks in my career now, but this was probably my best one, it was a good mixture," Chopra said.
"A free-kick, a lob, and then a shot from outside the box, but a lot of credit goes to the others.
"We've had a hard time in the last couple of months and we've managed to turn things around, we've all dug in deep and we've all battled hard.
"I've had a lot of stick in the press the last couple of months but I've managed to turn things around," Chopra added.
"After the slump I've gone through to come back and get a hat-trick, you've got to tell yourself you are through it.
"I'll go into the next game against Barnsley with a lot of confidence and knowing that practically anything I hit can go into the back of the net."