July 24, 2017 18:45 Updated Follow To participate, you must be eligible to retire and immediately begin receiving unreduced retirement benefits on the date you enter the DROP. Related articles What is the DROP? If I participate in the DROP, retire on my chosen DROP retirement date, and choose the DROP benefit, how will the DROP benefit and my monthly retirement benefit be calculated? Who is eligible for the Teachers' Retirement Fund? When do I get my retirement benefit? How do I withhold Indiana state or local taxes from my pension benefit?