Add this code in you viewDidload
:
Swift 5
let indexPath = IndexPath(item: <Row Index>, section: <Section Index>)
tableView.reloadRows(at: [indexPath], with: .automatic)
Objective C
NSIndexPath *myIndexPath = [NSIndexPath indexPathForRow:AddYourLastIndex inSection:0];
[self.tbl_presentation selectRowAtIndexPath:myIndexPath animated:YES scrollPosition:UITableViewScrollPositionBottom];