Which itr to be filed ?

CASE  - Assesses has earned income by way of  answersheet checking of an open university  and on this income TDS is deducted under section 194 J although  assesses  is also not liable to file ITR as income is under basic limit of RS 250000.Assesses just want to file ITR for obtaining  refund of TDS amount which is deducted inadvertently .

QUESTION -So  please suggest  which ITR is to be filed in the above disscussed case ?