My friends in the community have responded well to Mr. Faiz's problem.
Well, as per my opinion, accepting job offers from companies doesn't bind you to that company. A prospective candidate has every right to join the right company of his choice as he is the one who can think of his future more than anybody else. In this case, I would advise a candidate to study as much as possible about the companies where he is applying for jobs before accepting such offers.
As far as offer letters issued by the companies are concerned, i donot endorse the thinking that the candidates use these offer letters for either getting a hike in their present organisations or bargaining with another employer. As a matter of fact, one accepts an offer on agreed terms and he only needs to tell the other employer that his / her offer is unacceptable as he has a better offer in hand from (why would he need to show a letter to prove his point ?).
Yes, it is not unusual for a certain % of candidates to refuse offer at any stage before / after joining during the period of probation.
Hence, a lot of homework needs to be done before selecting and recruiting the right fix.
The truth is that majority of consultants just go through the cvs (on job portals) and call the candidates to fix up appointment with the employers without making an initial assessment,not even meeting them personally.
With Regards to one and all and best wishes for a happy new year !!
Debashis