Data mismatch with NSE website

There is a mismatch of data returned by zerodha, vis-a-vis data on NSE portal, below is data returned (for one instrument, for others also there is mismatch). Can someone clarify pls if there is any adjustments / change i am missing?

*Compare OI data - OI returned by api is 2404650 (48,093 lots of nifty) - data as per nse website shows 44,717 lots

response from zerodha:
{'13607938': {'instrument_token': 13607938,
'timestamp': datetime.datetime(2022, 5, 6, 16, 49, 48),
'last_trade_time': datetime.datetime(2022, 5, 6, 15, 29, 59),
'last_price': 190,
'last_quantity': 0,
'buy_quantity': 0,
'sell_quantity': 0,
'volume': 0,
'average_price': 0,
'oi': 2404650,
'oi_day_high': 0,
'oi_day_low': 0,
'net_change': 0,
'lower_circuit_limit': 0.05,
'upper_circuit_limit': 603,
'ohlc': {'open': 202, 'high': 228, 'low': 162.45, 'close': 357.45},
'depth': {'buy': [{'price': 0, 'quantity': 0, 'orders': 0},
{'price': 0, 'quantity': 0, 'orders': 0},
{'price': 0, 'quantity': 0, 'orders': 0},
{'price': 0, 'quantity': 0, 'orders': 0},
{'price': 0, 'quantity': 0, 'orders': 0}],
'sell': [{'price': 0, 'quantity': 0, 'orders': 0},
{'price': 0, 'quantity': 0, 'orders': 0},
{'price': 0, 'quantity': 0, 'orders': 0},
{'price': 0, 'quantity': 0, 'orders': 0},
{'price': 0, 'quantity': 0, 'orders': 0}]}}}