Apologies for delayed response.
"HDFC MUTUAL FUND - HDFC NIFTY IT ETF" shorted as HDFCNIFIT as per exchange website. https://www.nseindia.com/get-quotes/equity
As checked, we can find the token on our instrument file.
{"token":"12101","symbol":"HDFCNIFIT-EQ","name":"HDFCNIFIT","expiry":"","strike":"-1.000000","lotsize":"1","instrumenttype":"","exch_seg":"NSE","tick_size":"1.000000"}
Kindly reverify for the same
Thanks & Regards,
SmartAPI team