The registration process for the Common Admission Test (CAT) 2026 is officially underway, with candidates now able to fill out their application forms at iimcat.ac.in. The Indian Institute of Management (IIM) Indore, which is overseeing this year's examination, has set the deadline for submissions as September 15, 2026. Aspiring candidates are encouraged to complete their applications before this date to ensure their eligibility for the exam.To successfully register for CAT 2026, candidates must pay a fee based on their category. Those belonging to reserved categories are required to pay INR 1,350, while unreserved category candidates must pay INR 2,700. The online registration process necessitates the provision of various personal, academic, and professional details, which are crucial for the application.In addition to filling out the application form, candidates must upload several important documents. These include a Class 10 certificate for verifying name and date of birth, a Class 12 mark sheet to confirm total marks and aggregate percentages, and bachelor's degree mark sheets for entering aggregate percentages. For those with advanced qualifications, such as a master's degree or professional certifications, relevant documents must also be submitted.Furthermore, candidates are required to provide work experience documentation, which may include service certificates, joining letters, or payslips that detail employment dates. Additionally, valid category certificates, such as NC-OBC, EWS, SC, or ST, must be uploaded in PDF format. Candidates applying under the Persons with Disabilities (PwBD) category must also submit an official disability certificate.Lastly, applicants need to upload scanned images of their passport-sized photographs and signatures, adhering to the specified guidelines. As the registration period progresses, candidates are advised to stay informed about the latest updates regarding exam results, schedules, and other educational news to ensure a smooth application process.