UPSC revision materials..

http://dl.flipkart.com/dl/general-studies-civil-services-preliminary-examination-paper-1-2014-english-1st/p/itmdpf6nb6yfeyb7?pid=9781259064371&srno=t_1&query=upsc+book&affid=rishikeshk

http://dl.flipkart.com/dl/14000-objective-questions-general-studies-english-3rd/p/itmey7djw7ggjahj?pid=9789351417958&srno=t_5&query=upsc+book&affid=rishikeshk


http://dl.flipkart.com/dl/14000-objective-questions-general-studies-english-3rd/p/itmey7djw7ggjahj?pid=9789351417958&srno=t_5&query=upsc+book&affid=rishikeshk