This document provides information about language certification courses offered by Connecting Dots Institute. It describes 4 levels of certification - PET, FCE, CAE, and CPE from Cambridge University. Each level corresponds to increasing ability levels in English skills. It also outlines the Teacher Knowledge Test (TKT) which certifies basic knowledge in teaching English as a foreign language. TKT has 3 modules that cover language knowledge, lesson planning, and classroom management. The document provides details on content, duration, fees and pass rates for each certification.