The fluctuations observed during the day:.

==============================================================================
           Open    High    Low    Last    Time    Set    Chg     Vol       Set
==============================================================================
May'12    87.73    89.58  87.62   89.08   14:30  89.08   1.60   7715     87.48
                                        Mar 19
Jul'12    88.28    90.05  88.26   89.90   14:30  89.90   1.85   2903     88.05
                                        Mar 19
Oct'12        -    90.84  90.84   90.84   14:30  90.84   1.58      -     89.26
                                        Mar 19
==============================================================================