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Thanks for your reply guys. I took my scope into Bintel today and got roger to have a good look at it. Got myself also a cheshire collimator. He suggested it might be the focuser sitting on an angle. I did some alignment method and placed a white piece of paper behind the secondary. took secondary mirror and focuser out. measured the radius of the focusing hole and placed a centering dot on the white paper. put back focuser and chuck in the laser. no problems with the tilt of the focuser at all. im still puzzled. I have attached a pic looking down the focuser with both mirrors well collimated. The only part i can see which isn't aligned is a black crescent as pointed by the red arrow. to me , it looks like a part of the secondary mirror. but both mirrors are dead aligned i can assure on that.
here's some pics with the longer collimation screws . i use the 35mm 6mm for lock screws and 40mm 5mm for collimation screws. and the big washer from the baby seat kit to stop and more drilling on the secondary.
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