This document provides information about exams for 49,080 constable vacancies with the BSF, CISF, CRPF, and SSB. It outlines the important dates for the application process, physical tests, written exam, and medical exam between March and October 2011. The written exam will consist of one paper with 100 multiple choice questions across four subjects: general intelligence and reasoning, general knowledge, elementary mathematics, and English/Hindi. It then advertises coaching from The Satisfaction Academy in Kolkata to prepare students for these exams, highlighting their small class sizes, experienced faculty, study materials, success rates, and location near the railway station. Contact information is provided to inquire about fees and admission.