Maximum cash expenses that can be claimed

I'm a landowner who gave land for development in consideration for 28 flats. Now I'm selling those 28 flats. Please let me know how much maximum cash expenses I can claim against income. I have showed 20000 per day cash expenses in various category like advertisement, salaries to staff , rent , refreshment expenses, conveyance, telephone expenses , sales expenses , printing and stationary, conveyance , electricity charges and repairs and maintenance..Made sure that single party expense per day not exceeding 10000..Will that b OK to claim maximum cash expenses other than the regular cheque expenses.