I have finished my graduation in chennai with 75.32 percentage (distinction), currently working in infosys, mysore. I am planning to do my MS in MIS in CANADA after a year . Does any reputed university in canada offer MS in MIS ?? I have also written GRE but have a very low score of 970.

There are not many universities that offer Ms in MIS. Infact, whichever universities offering this degree are not very well neither in Canada or in the world. I would recommend you to apply for the same in US: The top universities in the US for information systems are: 1) Massachusetts Institute of