Type in a command, or "ls dictionary" to search all commands for "dictionary", etc.

man HowToPrepareForTheJEE-IIT,TrainingCourseInDelhi

No manual entry for HowToPrepareForTheJEE-IIT,TrainingCourseInDelhi.
To search for "HowToPrepareForTheJEE-IIT,TrainingCourseInDelhi", try typing ls HowToPrepareForTheJEE-IIT,TrainingCourseInDelhi.