One of the best strategies for CSAT

One of the best strategies for CSAT at this last minute is to completely stick to PYQs. Solving PYQs and trying to understand UPSC's language in comprehension questions will definitely be rewarding. Best thing would be to devote at least 1 hour in the 2 pm to 3 pm slot everyday for CSAT. (Time to be devoted depends on your level of preparation and skill to solve CSAT paper)