After Trying for about 100 times , i was finally able to file form no 10 IE on 14th August 2021 for fy 20-21 for opting the new tax regime but now when i try to file itr 4 it doesnt allow me to enter the date and ack of form no 10 IE , i am tried almost 20 times to file form no ITR4 , can anyone pls help me asap ? thanks in advance