which is the best reasoning books for UP SI(police) ...
Hello,
There is a Publication name GUIDER is famous for UPSI Exam practice Books, and this publication published lots of books like
GUIDER's Reasoning
GUIDER's Maths
GUIDER's Physics
GUIDER's Chemistry
GUIDER's Biology
So, you can go for GUIDER's Reasoning Book for UPSI exam preprations.