Sri is an ancient spiritual science created under the command of Lord Vishnu. The science is also known as the Sri Vidya. This is based upon the elemental science of following the concept of Shiv-Shakti. But follows a much simpler path that can be adopted by almost all baring a few exceptions.

This is the science that deals with success and survival of the fittest. To explain this in its simplicity, it goes like as below: From Sri  evolves Shr-i       and      Shr-i-mati

In short it means that the element 'i' has to understand that it's 'mati' is elsewhere. Once this basic element is understood can the 'i' move.

'i' is the shiva

'mati' is the shakti, and,

'imati' is the shiva-shakti

'mati' means 'buddhi' or ‘working brain’, or else read otherwise, the shakti is the working brain of shiva.

Something that is very difficult for the shiva's to accept, but the fact is so. It is in the inte