[Resolved]  Samsung India — samsung galaxy note 3 problems

My samsung note 3 is going through with several problems such as,
S pen not not working on phone, but used on other note phone pen is working
Media storage stopped - this window appears whenever opened gallery, files.
Memory card not readable.
If removed memory card and data kept on phone storage, still music, photoes are not visible in gallery nor player
From past 2 -3 months i have given my phone in service center
Still i got same issue, and now from past 1 month my phone is at service center.
I am calling and asking, they telling me that parts have not come yet
The parts which they received, after repairing same prob they facing
Past 2-3 days they telling me to come next day. But they not providing my phone
Long do i have to wait?
If it is not possible to repair, kindly provide replacement of my phone.
I am just roaming around without phone past 1 month.
Bill no is [protected]
Provided to dadar service center