Lesson 1 of 5 • 13 upvotes • 9:32mins
It is the 1st Lesson. In this Course We have discussed about the all Important inventions and their inventors name . It's very useful for any competitive exams.
5 lessons • 43m
Inventions and their Inventors, Lesson - 1 (in Hindi)
9:32mins
Inventions and their Inventors, Lesson - 2 (in Hindi)
8:22mins
Inventions and their Inventors, Lesson - 3 (in Hindi)
8:33mins
Inventions and their Inventors, Lesson-4 (in Hindi)
8:41mins
Inventions and their Inventors, Lesson-5 (in Hindi)
8:27mins