Could anyone tell me about Investor Category requirements for New Zealand?

Hello friends I am Prabhdeep from India I want to know about Investor Category requirements.We have to invest 1.5 million New Zealand and how long we have to keep this continue.Can we get money from our parents they live in Canada.I am doing our traditional business of agriculture in my village.We are three family member my wife,daughter including me.I have did 10+2 and after that I did diploma from I.T.I of Electronic welder.So please reply us and tell us to complete our file.