Dr. S. Mukherjee is the director of ENSEMBLE IAS Academy. ENSEMBLE IAS Academy has been one of the four topmost institutes for civil services aptitude test classes in Delhi. Before getting herself involved in the McMillan projects of completing 60 books on geography, she has authored some of the best selling books on Geography that include Geography Volume-I, and Volume-II, Cities Urbanisation and Urban Systems, Economic Geography, Indian Industry, Basic Geography, and A Modern Dictionary of Geography.

She has been a counselor and is an architect of Career Security programme for Girls. She is the best known face for teaching Geography and guiding students to acquire writing skills par excellence. She is an epitome of simplicity, a teacher by heart and a true geographer. ENSEMBLE would never have reached the position where it is now without her contribution.

She is now working on the digitization of knowledge and digitization of the entire of books published under Ensemble. This is an international project, which converts chapters into animation and for making them simpler and simpler.