Thanks, I did get the historical API working. So can confirm that it retreives the end of data data and also retrieves 1 minute data for symbols that are currently available. I was able to invoke historical API every five mins. etc. Thanks
From your documentation : It's important to note that the exchanges flush the instrument_token for futures and options contracts for every expiry. For instance, NIFTYJAN18FUT and NIFTYFEB18FUT will have different instrument tokens although their und…