Please help me in making computation

Hello experts actually my friend filled itr for the AY 2014 2015 with the help of his cousin But he or his cousin did not know how to make computation of itr I request you all to help me so that i can help him out details are as follows 1. He is a salaried person earning 10000 per month Working im private sector 2.gives tutions at home after job from which he earns 6000 per month So his total income becomes 16000pm So thats why he filed itr for AY 2014 15 IS 192000 pleass i request you all to please help us