INDIANAPOLIS (AP) —Indiana’s average welfare1 recipient is a young, unmarried white mother living with her two children in an inner-city neighborhood — a profile that officials say explodes many myths connected with I he welfare system.Kwame Mumira of the Legal Services Organization here said a popular fallacy is that most welfare recipients are black. Statistics show that while a larger percentage of theblack population is on welfare, white recipients outnumber blacks b more than two-to-one in Indiana and nationally, he siid.INDIANAPOLIS lt;AP) — United Stales aid to guerilla insurgents was backed Thursday by Sen. Richard G. Lugar, who urged strong steps todeal with Soviet aggression in Afghanistan.“The president must respond vigorously to the Soviet challenge inAfghanistan,” the Indiana Republican said. “He must signal theUnited States as a great power.”In addition to providing covert or overt aid to the Moslem guerillas fighting Soviet troops inAfghanistan, President Cartershould provide military aid toPakistan and order a halt to any action on the SALT II disarmament treaty with the Soviets, Lugar said at a press conference here.GARY, Ind. lt;AP) — Citing the ever-increasing use of handguns in violent crime, Gary Mayor Richard G. Hatcher Thursday instructed his police force to stop issuing gun permit applications to privatecitizens.Outlining a five-point plan to cut down on handgun and juvenile crime, Hatcher said, “We will no longerallow people to carry handguns in thecity of Gary.”He noted that during 1979, 81 percent of Gary's murders, 73 percent of the robberies and 72 percent of the aggravated assaults were comm it ted with handguns