Are you referring to the construction of the actual ceiling or the paint?

The painting is done using the centuries-old true (buon) fresco technique of painting with natural pigments on wet plaster.

If you would like to learn how to create frescoes yourself, please visit www.frescoschool.org and inquire about classes. They also have educational videos that go through the actual process of creating frescoes.

can i use reguller wall paint.if i hv not any choice?please help me...

Of course you can use regular paint. But this will no longer be a fresco. The texture, the look and feel will not be the same.