The 3 ways that the Neolithic age was different from the Paleolithic age are as follows:

• The Paleolithic age tools were crude and not sharpened as opposed to the polished and refined tools of the Neolithic age.
• Agriculture became more prominent in the neolithic age due to domestication of plants and animals.
• The Paleolithic peoples were nomadic in nature while in the Neolithic age people began to settle permanently

For further reading check the following articles:

• Prehistoric Age in India
• Prehistoric Rock Paintings