The following are your queries when entrusted with an additional charge by your superior and when show cause notice was issued on your refusal
1) My query is can a show-cause notice be issued without even taking a reply from me
. 2) Can the show-cause notice be challenged on the ground that the boss is not authorized to give additional charge which means my order of additional Charge is Void?
3) Can I file a lawsuit against my boss and also claim Defamation.
4) What legal remedy should I seek under service matter?
To the responses of other members, in return could not satisfy you and you have closed the topic with following remarks
"I personally feel here on this site we should only give professional advice instead of person advice"
May be your knowledge and wisdom may help other members who are in the same position as you. They will be obliged to know as to how you could solve your problem and get such guidance on your experience.
Please do post further developments and the professional manner in which you have tackled the issue of show cause notice without submitting explanation, the process which you have established that your superior's directions are void, and the defamatory action you have taken against your superior and other legal remedies you have availed against your superiors.
This will certainly enlighten even experts.