The computerised Common Admission Test, CAT, which was marred by technical glitches in November last year, started again on Saturday to help nearly 11,000 left-out candidates appeared in the entrance. The test, conducted by American firm Prometric, was held at 42 centres across the country, including four in Delhi. The Prometric said in a statement that both morning and afternoon sessions went on smoothly on Saturday. The test will be held on Sunday also.