As per Hindu religion, seeing cow, milk products like ghee, curd, paneer etc in dream will bring in positive change in life. The belief is that if person dreams cow giving milk then he will be blessed with wealth and prosperity.
If a person simply sees cow grazing or standing then he will be blessed with money, peace and high position in society and family. Soon such a person will be respected for some of his good acts. There will be also increase of wealth of family.
Seeing ghee or curd or other milk products is also believed to be an indication achieving wealth in near future.