Lesson 3 Most imp mixed points of science for gp D ( In Hindi)

Lesson 3 of 3 • 3 upvotes • 9:20mins

Ashok Kumar Prajapati

This lesson 3 consists most important science points for Railway group "D" . This lesson is very useful to all group of Railway, SSC , CGL , CPO, MTS ,CHSL ,Banking and all govt Exams preparation.