A key part of Business Etiquette is how you present yourself, as your attire can send a powerful message. When choosing the appropriate style for your job, consider the following: 1. Your current position 2. Your desired position 3. Your personal preferences 4. The industry you work in There are four essential business dress codes that every professional should know, as they help ensure you dress appropriately for different occasions: 1. Business Best 2. Business Traditional 3. Business Casual 4

Now, IITs impose dress code for exam-takers. More details here http://toi.in/U6vTFb | The Times of India