Gulag(noun)
A prison camp where conditions are extremely bad and the prisoners are forced to work very hard.
Hindi meaning:अपराधों के दोषी पाए गए लोगों के लिए गंभीर कार्य जेल
Synonyms: Prison Camp, Labor Camp, Internment Camp, Servitude, Slavery
Example: About half of political prisoners in the Gulag camps were imprisoned without trial
Trick to remember: Gulab nhi milte jail me Gulag milta hai. 
