Correct, there is no permit/license to buy the firearm or to physically posses it in some cases. Possession in that NRA FAQ isn't talking about all instances or carrying the firearm, simply gaining possession of the firearms.
Legal Community Against Violence
Open Carrying/Exposed Firearms
Indiana prohibits any person from carrying a handgun in any vehicle or on or about the body, except in the person's dwelling or on the person's property or fixed place of business, without possessing a license to carry a handgun. Ind. Code Ann. §§ 35-47-2-1(a) and 35-47-2-23.
Columbus Police Department
Handgun License
There are two types of handgun licenses available in the State of Indiana. A Hunting and Target license is a limited license and allows a person to lawfully transport a handgun to or from hunting or target shooting only. A Personal Protection or unlimited license allows a person to lawfully carry a handgun at anytime on his or her person or in a vehicle.