Indian citizens visiting Belgium for tourism, leisure, or short visits must apply for a Schengen Type C Short-Stay Visa. This visa permits a stay of up to 90 days within any 180-day period and is valid across all 29 Schengen member countries. For stays exceeding 90 days, a Type D Long-Stay National Visa is required, which is issued for specific purposes such as work, study, or family reunification.