To begin with you should order CAIPS/GCMS notes to see what the officer was concerned about. This would give you a clear picture of problem areas where you need to collect more supporting documents for your case.
Thanx for your support...Ive ordered my FOSS notes last week but i dont know how long it takes to get them

.....Yup, it will be good to know what went wrong with my app so that we could do asap what the best is to save our app.....God bless us all....