Chandigarh, June 11 -- The Punjab and Haryana high court on Wednesday stayed 17 show-cause notices issued by the Punjab Pollution Control Board (PPCB) to Rajya Sabha MP Rajinder Gupta-owned Trident group over alleged violation of various environmental norms at its Barnala facility.

Gupta is the chairman emeritus of the company. He is one of the seven MPs who on April 24 quit the AAP and joined the BJP.

"Prima facie, the grievance raised by the petitioner regarding the nature and tenor of the impugned notices, the fairness of procedure sought to be adopted for same as also the effect thereof vis-a-vis the directions issued by the division bench of this court, raises substantial questions requiring judicial scrutiny," the bench of justice...