Which IS code is used for the estimation of a dead load and live load for the design of a building?

Is 875 part 1 to part 5
Is 875 part 1- code of practice for design loads.
Is 875 part 2- structural loads (imposed loads)
Is 875 part 3- wind loads.
Is 875 part 4- snow loads.
Is 875 part 5- Special load and load combinations.