My sincere thoughts: Donot spend a lot of money on renting a venue and for food. I just dont think its not worth it. I dont see any point to feed all those ppl who have already enough to eat at their home yet still complains on your back. If you really want your wedding to be memorable and want to do something nice, go and feed the old people at 'Briddha Ashram' or some deprived kids. I am not saying donot do anything but please use your hard earned money wisely.
 FYI: If you set an example, I am sure your wedding will be long remembered and would be an inspirational. I have not been married but I will not spend lavishly to rent these venues and feed all these people. Its gonna be a simple wedding with some social work and charity donation afterwards.