@beingpawanppp said:
I cannot access the API server after I included it for a project
As I am using the TMDB site at India, for some reasons, it shows problem in loading page
but, while using a VPN, I am able to access the site,
but after I generated an API key and tried to use it for Trending > Movies section, I cannot access the API server after I included it for a project.

I believe that only using a VPN.
Read the topics below.

These topics may clarify.
https://www.themoviedb.org/talk/5c3928d70e0a26444200460f
https://www.themoviedb.org/talk/65d4b89ce640d6017dececac
https://www.themoviedb.org/talk/65d1f4151685da01b1c4fc6e

Thank you for your help ... changing the DNS helped now ...