15-6-59(b) Time for motion for new trial--Rulings thereon--Extension of time. 15-6-59(c) Hearing and answering affidavits on motion for new trial. 15-6-59(d) New trial on initiative of court. 15-6-59(e) Procedure upon hearing of motion for new trial. 15-6-59(f) Motion for new trial not required as foundation for appeal in certain cases. 15-6-59(g) Order granting new trial must show grounds upon which based.