I have read your question and clearly stated that when charge sheet is filed you should appear before trial court and apply for regular bail
2) SC has held refusal by criminal Courts either through the learned Magistrate or through their office staff to accept the charge-sheet without production of the accused persons is not justified by any provision of law. Therefore, it should be impressed upon all the Courts that they should accept the charge-sheet whenever it is produced by the police with any endorsement to be made on the charge-sheet by the staff or the Magistrate pertaining to any omission or requirement in the charge-sheet.
3)The word “custody” appearing in Section 170 of the Cr.P.C. does not contemplate either police or judicial custody but it merely connotes the presentation of the accused by the Investigating Officer before the court while filing the chargesheet.
4) in response to your second query it does appear letter from IO is contrary to SC judgement
5)any person who is willing to take responsibility for the accused can act as a surety. It can be a family member, friend, or any individual willing to vouch for the accused's appearance in court
6) person can stand surety to more than one accused person, but he needs to make a declaration regarding this before the Court.
7) Courts insists production of property documents. Sometimes, in lieu of the same, Courts demand production of RC books of two-wheelers, four-wheelers, etc.
8)some times an accused, who is an utter stranger to the area or he has no friends or relatives in the area or he could not secure a person to stand as surety can offer cash surety. The Court can accept cash surety, instead of personal surety. But the Court cannot demand personal surety, property surety and cash surety, at a time. It is not cumulative. It is alternative.
9) you can go abroad for work purposes or education if no conditions are imposed by court while granting bail
otherwise you need court permission to travel abroad
10) fixed deposit can work as surety
11) discharge is good option