MUMBAI, May 4 -- Ambuja Cements is resetting its expansion strategy after falling short of its own expectations, with promoter Karan Adani signalling a sharper focus on cost discipline and execution as the company reins in earlier growth plans.

"I think why the reset, I mean it's quite evident our performance has not been great. We have not been able to deliver what we have promised to our shareholders," Adani told analysts in a post earnings interaction on Monday, adding that the reset was driven by the need to correct course and regain control over execution. "If I would say 80% of it is to do with the cost and we really need to get our act in order.to make sure that we are able to reduce our cost."

The company has also adopted a more...