It is that time of the year when you suddenly find yourself confronted with an alphabet soup of tax exemptions. 80C, 80D, 80DD, 80U, UB40, U2.It s that time of the year when the CFO, CEO, CXO, CDO, C3PO send out missives to their departments like King’s Landing to the various houses of Westeros demanding they bend the knee and surrender the data by March 31. Any rebellions will be put down by the dragons of audit.