Demand notice - Income Tax

Dear Sir, My name is Manoj kumar. In 2023-24 assessment year I got the refund approx 7 lakhs. Now I m getting notices one after one .one of my known person giving the response, but at last got 270A and 156 demand notice (13 lakhs). for 270A i have given response for re assessment. But 156 notice i didn t give any reply. One month due also cometed. But I m afraiding that again i may get any notices with higher penalty. Please suggest and do needful on this issue to me. Thanking you