Which of the following were contributions of Lord Dalhousie

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Which of the following were contributions of Lord Dalhousie to India?

1.Railways

2.Modern postal system

3.Postage stamps

4.Telegraph

Select the correct answer using the code given below

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1. ?????

2. ?????? ??? ???????

3. ??? ????

4.?????????

???? ??? ?? ??? ?? ????? ???? ??? ????? ?????

[NCERT TEST - 6,Modern History,History Mock Test - 3]

1, 3 and 4 only

केवल 1, 3 और 4

2, 3 and 4 only

केवल 2, 3 और 4

1, 2 and 4 only

केवल 1, 2 और 4

1, 2, 3 and 4

1, 2, 3 और 4