You need to pass Ordinary Resolution for increase in authorised share capital and alteration in MOA of the company.
In case of Private company board will issue further shares by way of board resolution.
In case of public company you need to issue it as rights offier, otherwise Special Resolution need to be passed under section 81(1A) for preferential issue of shares.
Then the board will allot the shares within the authorised share capital by way of board resolution.
For increse in Authorised Share Capital you need to file form 5 within 30 days from the date of Ordinary Resolution and stamp duty on increased shares will apply.
For allotment of shares you need to file form 2 within 30 days from the date of Board Resolution along with the list of allottees.