It should be 995411.
However, I am giving below all other relevant sac codes:
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.