Countries Ratings & Rating agencies, GDP.....

Moody's - 

Moody's Corporation, often referred to as Moody's, is an American business and financial services company. An American credit rating agency.

https://www.moodys.com/

Standard & Poor's - 

Standard & Poor's Financial Services LLC is an American financial services company. It is a division of S&P Global that publishes financial research and analysis on stocks, bonds, and commodities.

https://www.standardandpoors.com/en_US/web/guest/home

Fitch - 

Fitch Ratings Inc. is an American credit rating agency and is one of the "Big Three credit rating agencies

https://www.fitchratings.com/site/home

IMF- International Monetary Fund

https://www.imf.org/en/Countries/IND

UN - 

The United Nations is an intergovernmental organization that aims to maintain international peace and security, develop friendly relations among nations, achieve international cooperation, and be a center for harmonizing the actions of nations.

ADB- 

Asian Development Bank - promote social and economic development in Asia.

https://www.adb.org/

SBI

NSO

RBI

World Bank