As per the CAT dress code, wearing shoes/ footwear with thick soles and garments with large buttons are not aloowed inside the CAT Exam hall.
Candidates can wear anything shirt, t-shirt, trousers or dresses that are comfortable but without pockets.
Candidates have to avoid wearing earrings, nose pins, necklaces, anklets, bangles or any other metal.
Mehndi or tattoos would lead to disqualification. Appear without beard or vice versa, according to your uploaded picture.
Any electronic gadgets like calculators, smart watches or phones are not allowed.