update manual

doc/manual/intro.tex

@@ -7,9 +7,8 @@
 
 \subsection{Authors}
 \label{sec:authors}
-\dftfe{} is hosted by the \href{http://www-personal.umich.edu/~vikramg/}{Computational Materials Physics
-group at University of Michigan}, with Vikram Gavini, Professor of Mechanical Engineering and Materials Science and 
-Engineering, as the principal investigator broadly overseeing this effort. The code is maintained by a group of principal developers, 
+\dftfe{} is developed and maintained by the \href{http://www-personal.umich.edu/~vikramg/}{Computational Materials Physics
+group at University of Michigan}, and the \href{https://sites.google.com/view/matrix-lab}{MATRIX lab, Indian Institute of Science}. The code is maintained by a group of principal developers, 
 who manage the architecture of the code and the core functionalities. Developers with
 significant contributions to core functionalities and code architecture in the past who are 
 no longer active principal developers, are listed under principal developers emeriti.