law: The Food Safety and Standards Act, 2006 
  21. Pesticides,
  
  veterinary drugs residues, antibiotic residues and micro-biological counts. - 
  1.     
  
    No
  
  article of food shall contain insecticides or pesticides residues, veterinary
  
  drugs residues, antibiotic residues, solvent residues, pharmacological active
  
  substances and micro-biological counts in excess of such tolerance limits as
  
  may be specified by regulations.
  2.     
  
    No
  
  insecticide shall be used directly on article of food except fumigants
  
  registered and approved under the Insecticides Act, 1968.Explanation.-For the
  
  purposes of this section,-
  a.      "pesticide
  
  residue" means any specified substance in food resulting from the use of a
  
  pesticide and includes any derivatives of a pesticide, such as conversion
  
  products, metabolites, reaction products and impurities considered to be of
  
  toxicological significance and also includes such residues coming into food
  
  from environment;
  b.     "residues of
  
  veterinary drugs" include the parent compounds or their metabolites or
  
  both in any edible portion of any animal product and include residues of
  
  associated impurities of the veterinary drug concerned.