12th geography manav vikas chapter 4

56:27

2:06:34

51:35

57:53

22:56

1:48:41

14:46

1:14:07

9:39

32:42

22:06

20:19

1:07:40

33:20

42:30

1:13:05

3:04

1:30:09

39:33

56:00

32:14

15:34

46:29

28:22

56:25

7:57

56:30

37:30

5:56

20:10

37:31

35:14

25:43

19:18

33:58

1:13:18

25:28

1:14:22

11:47

17:49

39:04

16:17

9:08

41:35

19:07

32:22

46:28

53:36

33:27

37:59

44:18

50:57

38:21

12:31

48:21

48:56

17:28

37:24

1:11:05

5:09