The CSE said that India has no regulation on controlling antibiotic use in the poultry industry or to control sales of antibiotics to the industry while it has not set any limits for antibiotic residues in chicken. Giving details, CSE said that PML tested 70 samples of chicken in Delhi and NCR out of which 36 samples were picked from Delhi, 12 from Noida, eight from Gurgaon and seven each from Faridabad and Ghaziabad.