i think u means...
Year 1-2 (BLR-2.2%), Year 3-5 (BLR-1.8%), Thereafter (BLR-2%)

is flexible for us, but also flexible for bank too...
u can try to read bank loan agreement, bank have the right to vary the house price (based on interest)...
even the BLR drop till 4%, bank have right to readvise ur loan as BLR -0% even u agreed for BLR-2% earlier...