Based on your request, you are likely looking for the Bangladesh Service Rules (Part - 1), which officially refers to the Bangladesh Civil Service (BCS) Recruitment Rules.
On page 103, where Rule 112 should have been, the text was gone. Not erased—replaced. A clean, modern font had overwritten the original Bengali typeface. It read: bangladesh service rules part 1 pdf
If you are looking for rules regarding promotion, seniority, and departmental examinations, you should look for Bangladesh Service Rules Part 2 (often titled Classification, Control and Appeal Rules or Seniority Rules). Part 1 is strictly for Recruitment. Based on your request, you are likely looking