https://taxdesign.in/form-15g-and-15h-how-file-online/
CBDT has made the entire procedure relating to filing of form 15G/15H online. The complete procedure of online filing of 15G/15G is as follows:-
1 ) First of all deductee will submit form 15G/H to deductor via online / offline.
2) Deductor will collect the form for entire quarter and file such information at 2 places on quarterly basis
a) The deductor will upload information of all 15G/H received on quarterly basis with income tax department.
b) Deductor will mention all amounts paid against each 15G/H in quarterly TDS return.
3) The deductor will be responsible for reconciliation of allotted UIN as reported to income tax as per point no, 1 with UIN as mentioned in TDS return ( point no. 2)
Conclusion:-
As there is Reco Mechanisim & hence compulsory.......