Income from contracts, commission income and rental income

income from rent is also source pf income itr 4 idel for u 

Then what to fill in B/S tab? and where to show income from contracts and commission income?

for receiving commssion and rent  u need to raise invoice that is ur sales

and for giving this service u spend money for expense 

show profit more than 8% 

rest u r very clear to do all this 

good luck