2. Is that any negative marking of CGL 2010 tier-2 exam?

As far as i know, there was never any negative marking
in ssc exams. But it would b better for u to read the
instructions written on question booklet whether there is
any negative marking before attempting the questions....

6. Will we be provided any booklet explaining the exam pattern?

The result of ssc cgl exam 2010 will not b sent by post. If
u r qualified for Tier 2 then u will get new admit card

7. i select in railway ministery as assistant it is good or bad than divisional accountant?

obviously it is good to become an assistant in any org than
to become a divisionsal accountant