Dear Aditya,
If your establishment falls within the ambit of the definition of the term "industrial establishment" u/s 2(e) of the Industrial Employment ( Standing Orders ) Act,1946 and in the absence of any certified Standing Orders, You can follow the Model Standing Orders.
If not, if the employee irrespective of his salary falls within the definition of the term "workman" u/s 2(s) of the ID Act,1947, you have to conduct the entire disciplinary proceedings in accordance with the Principles of Natural Justice, which include the framing of charge memo in definite terms and serving on the employee, evaluating his reply,if any submitted, in case of no reply or unsatisfactory reply arranging for domestic enquiry by a superior officer or an advocate to be conducted fairly by giving reasonable opportunity to the delinquent to defend himself against the charges leveled, analysing the enquiry report submitted by the enquiry officer, serving the copy of the enquiry report to the delinquent, if the disciplinary authority rejects the findings of the E.O and decides to award punishment or accepts the findings of the E.O and decides to dismiss the delinquent, he has to issue a second show cause notice about the proposed punishment and after considering the reply or in the absence of any reply, then only the punishment should be awarded.