CAF for Prelims 2020 Click here to read the Concept Application and Fact Strategy for Prelims Click here to read about the CAF 2020 test series. Click here to download CAF Schedule 2020 CAF-101CAF-108CAF-102CAF-109CAF-103CAF-110CAF-104CAF-111CAF-105CAF-112CAF-106CAF-113CAF-107CAF-114UPSC IAS Prelims Test Series 2020