Which incometax return I file

For A.Y.2017-18, There are 7 ITRs for varies
ITR 1
For Individuals having Income from Salaries, one house property, other sources (Interest etc.) and having total income upto Rs.50 lakh

ITR 2
For Individuals and HUFs not carrying out business or profession under any proprietorship
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ITR 3
For individuals and HUFs having income from a proprietary business or profession

ITR 4
(SUGAM)
For presumptive income from Business & Profession

ITR 5
For persons other than,- (i) individual, (ii) HUF, (iii) company and (iv) person filing Form ITR-7

ITR 6
For Companies other than companies claiming exemption under section 11

ITR 7
For persons including companies required to furnish return under sections 139(4A) or 139(4B) or 139(4C) or 139(4D) or 139(4E) or 139(4F)