HSN stands for Harmonized System of Nomenclature which was developed by the World Customs Organization (WCO) with the vision of classifying goods all over the World in a systematic manner.
SAC Code 995411: Construction services of single dwelling or multi dwelling or multi-storied residential buildings.
SAC Code 995412: Construction services of other residential buildings such as old age homes, homeless shelters, hostels etc.
SAC Code 995413 – Construction services of industrial buildings such as buildings used for production activities (used for assembly line activities), workshops, storage buildings and other similar industrial buildings.
SAC Code 995414 – Construction services of commercial buildings such as office buildings, exhibition & marriage halls, malls, hotels, restaurants, airports, rail or road terminals, parking garages, petrol and service stations, theatres and other similar buildings.
SAC Code 995415 – Construction services of other non-residential buildings such as educational institutions, hospitals, clinics including vertinary clinics, religious establishments, courts, prisons, museums and other similar buildings.
SAC Code 995416 – Construction Services of other buildings.
SAC Code 995419 – Services involving Repair, alterations, additions, replacements, renovation, maintenance or remodelling of the buildings covered above.
CAClubIndia also has an app which is called GST Connect App which provides the HSN Code and the SAC code for all goods and services. It is really helpful and informative