good afternoon experts. i would like to know that my salary after deduction 240000(20000 per month) than sir 240000-180000 = 60000 60000*10/100=6000 6000/12=500 than sir my monthly tds deductable 500 per month. than sir can any tell me this that will all month my tds deduct 500 plz suggest.

yes it is correct

 but in my brancs office sometime tds dedeuct 500 and some time les than 500 and above 500 what the reason of it.