Cork held up seven digits towards the broadcast studios after passing 50 in Tests for the first time in five-and-a-half years.

The Derbyshire captain claimed it was a response to suggestions he should not be batting at number seven.

His actions mimicked those of captain Nasser Hussain, who made a three-fingered sign in the direction of the Lord's media centre upon scoring a century from first wicket down in the NatWest Series final in July.

"I probably reacted wrongly," admitted Cork.

"I should have just got on with the job, it was a reaction to a couple of people who suggested I shouldn't have been batting at seven."

Cork insisted the task of gaining a sizeable first-innings lead would involve discipline.

"We have to stay consistent, get the ball in the right areas and try and take the edge," said Cork.

But Harbhajan Singh, who took five for 115, believes India can claim a first series win outside the subcontinent for 16 years.

"We are pretty much back in the match, we just need to bat well," he said.

"It is now quite open, it's only the second day and there is a lot of time left. We have batsmen in form and ideally I won't have to bat.

"We have two spinners and the ball will turn more as time goes on."