ahmedabad in the runup to diwali flying squad officials of the civic body have tightened their grip on food manufacturing units across the city to keep a check on food adulteration shops manufacturing milk mava came under civic body scanner on tuesday and samples of mava were collected by civic authorities from across 75 locations in the city that apart 85 notices were issued for substandard and unsafe items milk mava is largely used by sweet shops and is ordered in bulk for preparing a number of indian sweets ideally mava is made with milk and largely comprises of milk fat however in order to save costs many establishments are found to carry out malpractices by using milk powder along with palmolin oil or even skimmed milk instead of full fat milk this reduces the quality of product said atul soni quality manager public health laboratory amcon tuesday civic authorities collected samples from establishments across vejalpur naranpura gota thaltej raipur isanpur kalupur and nikol among others these samples were sent to the public health laboratory for further testing