Hi Alamgir Hossain! Deduction of demerit points is subject to and under the jurisdiction of Traffic Police. All applicants need to attend a 4-hour 20-minutes course and attendance is compulsory. Applicants must complete Theory training (Online) before proceeding to Practical training (Onsite). You may enquire through one of the licensed driving schools - ComfortDelGro Driving Centre https://www.cdc.com.sg/, Singapore Safety Driving Centre https://ssdcl.com.sg/ and Bukit Batok Driving Centre https://info.bbdc.sg/.