Which country has the most post offices?

In which year was the daily national program of Doordarshan launched?

Who was the first newsletter of Doordarshan?

Which of the following states has approved Urdu as their official language?

Which is the official language of Tripura?

In which of the following countries is Tamil a major language?

Speaker (Chairman) of Rajya Sabha -

Match the following. 

 (A) Night blindness                          1. Vitamin C

(B) Scurvy                                             2. Vitamin A

(C) Rickets                                           3. Vitamin D

(D) Anemia                                          4. Vitamin B₁₂

                A             B              C             D

(a)           1              2              3              4

(b)           2              1              3               4

(c)           3              2              1              4

(d)          4              3              2               1