At the outset, the author of the book welcomes Jugal Kishor Mahant, Santosh Jena, Bimal Jena, Rabinarayan Rout, Atanu Kundu who have joined me as coauthors of this text, a

The story of heavy fermions (HF) begun with the discovery of the low temperature behaviour of CeAl3 by Andres et al. in the year 1975 took the momentum after the