The Banaras Hindu University, the Aligarh Muslim University and the Medical Council of India today joined hands to challenge in the Supreme Court an Allahabad High Court order setting aside 50 per cent institutional preference in admission to PG medical seats.<br/>'<br/>A vacation bench of justices Ashok Bhushan and Deepak Gupta, after hearing the arguments, reserved its verdict for tomorrow. Both these central universities got the support from the MCI, which argued that the high court has erred in interpreting the laid down regulations.<br/>'<br/>On May 29, after hearing a PIL, the high court had passed order allowing to fill up the 50 per cent institutional quota seats in PG medical courses in these two central universities for students from any medical college based on their ranking in NEET.