Sending and receiving information or messages is called

The postal system in India was started in the year

Urgent letters or parcels can be sent to any city of our country through

We can see 'live' telecast of events because of

Where there is no dispensaries, the government sends

This doctor treats sick and injured animals

Who protects our life and property...

They help the traffic to move smoothly so that there are no traffic jams or accidents..

They deliver parcels and money orders..

In India, Teacher's Day celebrates the birthday of