Explanation

The word was first introduced now or never in 1933 by Chaudhry Rahmat Ali.

The "Pakistan Declaration" titled Now or Never means Are We to Live or Perish Forever?

In this pamphlet, the word Pakistan was used for the first time 

This pamphlet was derived from the two-nation theory of Muslim reformer Syed Ahmed Khan

it was a pamphlet, referring to the names of the five northern regions of British India: 

1. Punjab
2. Afghanistan
3. Kashmir
4. Sindh
5. Baluchistan. (Pakistan)