As i know ACS means Affiliated Computer Services. They have branch in Bangalore(Karnataka) and Cochin (Kerala) by name ACS india Pvt Ltd. It is basically an US company having many operations including IT and ITeS services.

 The selection process is like this:

1. Written test - This will be mainly Apptitude and also English.

2. Technical Round - Personal Interveiw or Telephonic.

 The written test is not very difficult ... the book from R S Agarwal will do.

All the best...

Position SQA Analyst:
1> Written test--- Process flow diagram, FMEA, Control Plan, PPAP, SPC,MSA and gage R&R-- its easy u will pass if u ever worked in quality dept in automotive ind.
2> Interview---- Prepare above topics...personal or telephonic
3>HR-- salary almost fixed, good