Mistakes in income tax file

Sohil Dedhia (CEO) (30 Points)

14 November 2014  
There is wrong birthdate n wrong address in my uncle's IT file. I wanted to fix these errors. So can these errors be fixed? N also I want to know ki if last 2 years ka income tax is filed on 10th October 2014. Can it be seperated. As in can the dates be changed?