Here are the links to instrument token files. You can download them as .csv
• For FnO: https://preferred.kotaksecurities.com/security/production/TradeApiInstruments_fno_25_05_2021.txt
• For Cash: https://preferred.kotaksecurities.com/security/production/TradeApiInstruments_Cash_19_05_2023.txt
Please take note that the link above includes dates as their final characters (It is 25 May in the above links). To receive updated instrument tokens, please replace it with the date of today each day.
To get the list of Instrument Token or Token please hit the ScripMaster API to get the csv scrip files in the response of the API. You will find the different tokens for different scrips there.