IR is in an agreement with HMRDA (Hassan Mangalore Rail Development Authority). In fact they were the one who converted to BG from MG. As per the agreement, IR can't run more than 3 trains per day. 16515 (3 days), 16516 (3 days), 16523 (slip with 16517) and 16524 (slip with 16518) will sum up to 3 per day