The idea of bhakti is advocated in the Bhagavad Gita.
(a) Shankara was an advocate of __________.
(b) Ramanuja was influenced by the ________.
(c) __________, ___________ and ____________ were advocates of Virashaivism.
(d) ____________ was an important centre of the Bhakti tradition in Maharashtra.
Who is the writer of the Srimad Bhagavad Gita?