NEW DELHI: It was the perfect con set-up: A full-fledged hospital nestled in an upscale residential pocket of South Delhi's GK-I that would conduct back-to-back surgeries in its operation theatre, but without the basic pre-requisite - a qualified surgeon.Relatives of patients, lured by the "cost-effective" treatment plan, would wait endlessly in the corridors of Agarwal Medical Centre, say cops - a day after arresting four people, including two "doctors" who were allegedly performing surgeries without holding the requisite qualifications.They would allegedly prescribe random medicines and injections, and even...