S. 148A : Reassessment-Conducting inquiry, providing opportunity before issue of notice-Limitation-Extension of time limit for issuance of notice until 30-6-2021-Income escaping beyond 50 lakhs-Notice not barred by limitation-SLP dismissed. [S. 147, 148, 148A(b), 148A(d),149, Taxation And Other Laws (Relaxation And Amendment Of Certain Provisions) Act, 2020, S. 3. Art. 136]