TDS IMPORTANT NOTES

CAN ANYBODY PROVIDE ME NOTES FOR TAX DEDUCTED AT SOURCE FOR IPCC EXAMS.I M FINDING IT DIFFICULT TO UNDERSTAND FROM MODULE.I ALWAYS GET CONFUSED AMONG RATES>I WANT WHAT ALL QUESTIONS CAN BE ASKED.IMPORTANT AREAS OF MODULE WHICH SHOULD BE READ WITH CONCERN.PLEASE HELP ME GUYS...........I WOULD BE REALLY THANKFUL TO YOU.