What traditional attire to wear for wedding?

My friend is getting married next weekend. I want to know what traditional attire to wear. Here are the list of functions: 1. Ganesh puja, mataji puja, Haldi - Do people wear yellow on this day? 2. Mandap, Mogra - what to wear? What happens on this day? 3. One day is break I am guessing. 4. Wedding day - what to wear? Help me pick attires, dress for these occasions. I am 30M. Also, I will be having a day free. Any places for food, travel places recommendations would be appropriated.