Candidates appearing for CS exams start preparation well ahead of time. The exam is competitive and rigorous. Such exams require preparations that match the level of competition. Many thousands of candidates appear for it. The exam decides the career of many.
A system of ordering society whereby people are divided into sets based on perceived social or economic status.
A set or category of things having some property or attribute in common and differentiated from others by kind, type, or quality
A Group of people for learning something