Parle Agro — fungus in tetra pack of frooti

Yesterday I bought frooti tetra pack from a general store, today I was pouring it in a glass to my younger daughter suddenly something like fungus came out, in juice there were green substance, my daughter is four years old she was going to drink it with straw but it was cold so I poured it in glass, thank God I have checked it timely otherwise it may had life thread to my daughter