Questions

Indica is the book written by Greek historian "Megasthenes" in which he described India like how is the Indians life, what way of life is followed, etc...

The "City of Wars" is Panipat because three battles were done in panipat.

Fear of places and situations that might cause panic, helplessness or embarrassment is called Agoraphobia. 

Fear of crossing road causes some panic in them and comes under Agoraphobia.

Incorporation is a legal process that enables the formation of a local government and divides a state into separate counties with their own leaders.

The different counties become self governing entities under the laws of the state in which they fall and are given the authority to function as independent units but within the jurisdiction of the state laws.

Washing soda is the common name for Sodium Carbonate (Na2CO3). It is also called as Soda Ash.