S. 148A : Reassessment-Conducting inquiry, providing opportunity before issue of notice-Not all information in possession of the officer can be construed as information that qualifies for initiation of proceedings for reassessment, and it is only such information that suggests escapement and which, based upon the material in his possession-Agreement between doctors and hospital-remuneration paid for fixed amount along with components such as number of patients treated etc. [r.w.s.15, 17, 28(i)][S. 148, Art. 226]