Change of Regd Office at the time of incorporation

Hi,

At the time of filing form 1A for name approval the registered office of the company was filled in to be situated in the state of Haryana. Now the promoters have decided to place the regd office in Delhi. At the time of filing incorporation documents, in form 1 it is prefilled as Haryana and rates for e-stamp duty is as per the states of Haryana.

My query is that is it possible to change the R.O of the company to be formed,?. In our case the Registrar of companies for haryana and delhi are same. if it possible then how can we pay the e-stamp for delhi when it is by default picking up the rates as per haryana state.