TY - BOOK AU - Shankar Ravi AU - Vashisth Raman TI - IAS (Mains)General Studies World History SN - 9789352035106 U1 - 909 SHA CY - New Delhi PB - Arihant Pub. KW - History KW - World KW - IAS (Mains)General KW - Shankar Ravi KW - Studies KW - Vashisth Raman ER -