NRI AND MANNER OF FILING IT RETURNS

DEAR ALL,

PLEASE SUGGEST ME TO SORT OUT FOLLOWING ISSUES.

MR .X left India for the purpose of employment abroad on 19-8-2018,till this date he has been under employment in a software company in Hyderabad and earned salary income till such date.Along with salary income he is also having interest on housing loan which is self occupied by his parents.Out of the forex income earned abroad he transferred some amount of funds to India and made fixed deposits of the same here and earned some interest income from those deposits.
Question:
a) What is the residential status of Mr.X
b) Depending on the answer to question number (a), please suggest me regarding manner of filing income tax return for the PY:2018-19 and also suggest me regarding what are the data we need to collect and what is the return we have to file (ITR 1 or ITR2)
Please give me the inputs regarding this case.

THANKS IN ADVANCE