Monginis Cake — Plastic Content in Cake

Dear/Madam I bought 100 gm sachet of veg cakes from dadar station; while having it I found small plastic content in cakes which might be go into the stomach also cause serious injury. Please look into the matter and solve it earliest otherwise will complaint to consumer court. The batch no of sachet is DM4177 date of manufacturer is 21/4/15. mail id provided by you is not working, also nobody is picking up phone.