Narasimha Purana is one of the most important Puranas. Narasimh
Puran contains valuable information on the incarnation of Vishnu as Narasimha
and the observance of numerous vrats and pujas. It also details regarding the
origin of various demons and bhakti tradition associated with Prahlada. Now the
Ved Puran website is offering the entire Narasimha Purana in Hindi online. It
is not in pdf format. So you can only read it online.