i am in BCA 2nd year. i want to take admission in MCA in IIT Roorkee. Can u tell me the name of books for preparations for it.

The MCA entrance of IIT Roorkee requires mathematics , Computer awareness as well as analytical ability . You have to prepare for all three individually for mathematics you can take up any objective book on Mathematics for entrances after graduation for any Indian University. for computer awareness you can take up books by NCERT  at the 10+2 level.

Best of Luck