ncert science class 6 for upsc videos

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'NCERT SCIENCE || CLASS - 6 || CH - 1 || FOOD: Where Does It Comes From ? || Aalam Sir || #UPSC #PCS'
'NCERT SCIENCE || CLASS - 6 || CH - 1 || FOOD: Where Does It Comes From ? || Aalam Sir || #UPSC #PCS' 38:39 Apr 6, 2022