The Delhi High Court on Wednesday issued summons to Baba Ramdev in a plea filed by seven doctors against the Patanjali founder for pedalling misinformation and making statements against allopathy during the promotion of 'Coronil' [Resident Doctors Association, All India Institute of Medical Sciences (AIIMS), Rishikesh and Ors v. Ram Kishan Yadav Alias Swami Ramdev and Ors].