Salary Dedected

Dear sir I am working textile company I resignation submit February 20 2016 send to hr mangager mentioned my last working date February 28 2016 but company dedected one month salary
in company my designation jr system administrator but in payslip Jr executive so many times tel to hr manager but she take litely in acceptence letter I didn't singned two letters in my hand

First of all, You need to write in a clear manner what your problem actually is.
Secondly, you need to improve your communication skills as it will hinder your growth anywhere if people are not able to understand what you are trying to say. Your post above is difficult to understand.
You resigned on 20th Feb with 8 days notice.
I assume your Comoany has a one month notice period. So naturally they will deduct the salary for a month

dear vasu
god bless you
in absence of your terms and conditions of employment it is difficult to comment.
in any case 7 days notice will not be acceptable to any company.
your appointment aspect can be seen only in the appointment order to comment.
lastly u need to improve your communication skill
blessings
dr ram