@omeranwar and All:
after visiting the market what i felt was that no one can diff betwteen China made and Singpore made compressors even the wholesale dealer was of the same opinion.
Wholesale dealer asked me to purchase a Singa made compressor of 6K (wholesale price), according to him both china and singapore made compressors are same and diff is of brand name/bar code sticker.
Can take example of hard ball Cricket bat of Malik brand (Sher, Bubbersher) whihc sells in market of RS 10 to 12 K but same bat without brand name is for Rs 4.5K only.
According to him same case is with compressors.
So i opted for Rs 6k Compressor (singapore made without brand) instead of Rs7K compressor (singapore) and got it fitted in my car and is workling fine.
Total cost is Rs 8,230/-:
Compressor Rs 6K (whole-sale price)
Bracket, Adjuster pulley, bearing, thermostat valve Rs 900.
AC Pype nose fitting Rs 130
Gas charging + Radiator cleansing Rs 1200
Mechnaic was bursting for low amount for gas charging and labour i.e. Rs 1200.
But I did't care about it as he had already charged labour previously!!
Sanden realy has almost half load on engine as comapre to daewoo origional one.