S. 148A: Reassessment – Conducting inquiry, providing opportunity before issue of notice – Information – Internal Audit objection- Not permissible – Change of opinion -Information not based on the objection raised by the Comptroller and Auditor General of India – Reassessment impermissible- Change of opinion- Audit objection raised by CAG a view deviating from that which was taken in the course of original assessment order is change of opinion -Impermissible . [ S. 45, 48, 50C, 148 ,148A(b), 148A(d), 151 Art. 226 ]