Need SAC and HSN code and which under itis consider

This query is : Open

ammaji rajulapati (Querist)
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14 December 2024 Sir/madam,
our Engineering college received amount from IEEE for conduct of Seminars under description of "2024 cycle 2 IEEE SPS seasonal school on signal processing in medical imaging: From engineering to clinical diagnostics" IEEE ask tax invoice for this transaction , my query is if this transaction consider under sponsorship IEEE give invoice to us but those are ask tax invoice to us how to i treat it.

HSN code for this service