sparty- my parents (two) took visa date for one day and my inlaws(two) for another day, not that they wanted but because of conflict of schedule of two families. We are from ktm not reach though my dad and my father in law were working and our moms were house wife. as for property and source of income, we have house in ktm, rent is there and some savings not more than 10lakh in our case. both of our parents crossed 55. But even you are not from ktm, do not have property in ktm no need to panic, in same year one of my friends parents outside the valley also came for graduation. so if you be honest i do not see problem!! send me your specific sitution in email. i will help you out if you need more.