Gurugram, May 4 : The Millennium City of India reported 11 Covid-19 cases on Monday with majority of them having Delhi connection. With this, the number of cases here reached 83. Civil Surgeon of Gurugram J.S. Punia said 7 people were linked to Azadpur vegetable market in Delhi, one person belonged to Nasik and another had recently returned from West Bangal. Two others were native of Gurugram, he added. The 7 people with Azadpur market link connection are wholesalers or their employees who transport vegetables and fruits from there. The official said 65 people had been placed under quarantine after they recently returned from other states. Gurugram District Magistrate Amit Khatri said they had been isolated at different government, ESI and private hospitals, and their family members placed under home quarantine. The health officials were trying to identify those who must have come in their contacts, he said. The official, however, claimed that number of cured persons was also increasing with 49 patients discharged till now. Khatri urged residents to stay at home despite relaxation and step out only for necessary works. Meanwhile, the district administration declared 24 containment zones and 16 buffer zones after a review committee meeting during the day. "Based on reports filed by the SDM-rank officers, Gurugram has 13 containment and equal number of buffer zones, Sohna 9 containment zones and 2 buffer zones, and Pataudi 2 containment zones and 1 buffer zone," Khatri said. Khatri said 3 km area from the house of a Covid-19 patient was declared the containment zone, and 5 km under the buffer zone in urban areas. The buffer zone in rural areas is 7 km as per the guideline of WHO. "Every household that falls under containment zone will undergo thermal screening and sanitization," Khatri said. /IANS