what is Significance of “Balipratipada“ or “Goverdhan puja“?

Refernce of Speeches:- 1) 1982-1114 Diwali Puja, Wealth and Generosity, UK 2) 1998-1025 Diwali Puja Talk, Novi Ligure Italy _DP CC_HIGH 3) 1981-1101 Diwali Puja Talk, Powers of the Gruha Lakshmi, London, UK, subtitles_HIGH The Day after Lakshmi Puja. It is new year for North india people.