i have attended the online '30day PMP challenge' course with mr.mudassir .his in-depth knowledge in project management principles would be an invaluable one to an aspiring PMP candidate.in this course i have he is ensuring that candidates have a thorough knowledge of PMBOK concepts through his well designed videos, blogs and slides. the mocks after the session and discussions on results was a truly rewarding one. i would definitely recommend mr.mudassir as a first choice trainer for anyone who wish to pass PMP exam in their first attempt.