Pharmaceutical compositions comprise nilotinib or a pharmaceutically acceptable salt thereof and a process for the preparation of the same. Methods of using such compositions treat subjects suffering from Philadelphia chromosome positive chronic myeloid leukemia (Ph+ CML). A process for preparing dry-granulated pharmaceutical composition of nilotinib comprising compacting nilotinib hydrochloride alone or mixing with one or more of pharmaceutically acceptable excipient(s) by roller compactor or slugging; sizing the compacts or slugs into granules by milling; mixing the granules with one or more of pharmaceutically acceptable excipients to form the composition.