Science and Technology : Part 13 (in Bengali)

Overview (in Bengali)

9:16mins

Science and Technology : Part 1 (in Bengali)

15:00mins

Science and Technology : Part 2 (in Bengali)

13:07mins

Science and Technology : Part 3 (in Bengali)

15:00mins

Science and Technology : Part 4 (in Bengali)

15:00mins

Science and Technology : Part 5 (in Bengali)

15:00mins

Science and Technology : Part 6 (in Bengali)

14:23mins

Science and Technology : Part 7 (in Bengali)

9:48mins

Science and Technology : Part 8 (in Bengali)

11:15mins

Science and Technology : Part 9 (in Bengali)

13:52mins

Science and Technology : Part 10 (in Bengali)

13:06mins

Science and Technology : Part 11 (in Bengali)

12:23mins

Science and Technology : Part 12 (in Bengali)

8:38mins

Science and Technology : Part 13 (in Bengali)

10:11mins

Science and Technology : Part 14 (in Bengali)

10:05mins

Science and Technology : Part 15 (in Bengali)

10:38mins

Science and Technology : Part 16 (in Bengali)

12:06mins

Science and Technology : Part 17 (in Bengali)

12:13mins

Science and Technology : Part 18 (in Bengali)

13:01mins

Science and Technology : Part 19 (in Bengali)

12:07mins

Science and Technology : Part 20 (in Bengali)

10:39mins

Science and Technology : Part 21 (in Bengali)

10:12mins

Science and Technology : Part 22 (in Bengali)

11:24mins

Science and Technology : Part 23 (in Bengali)

11:14mins

Science and Technology : Part 24 (in Bengali)

8:26mins