title: How to get the list for nsepy package index naming conventions
body: <pre><code>data = get_history(symbol=&quot;NIFTY BANK&quot;, start=from_date, end=to_date,index=True, option_type = 'CE', strike_price = 38000, expiry_date = dt.date(2021, 10, 7))
  </code></pre>
  <p>Using the above code but getting returned blank dataframe.</p>