Changed the nse_quote_ltp() function

def nse_optionchain_ltp(payload,strikePrice,optionType,inp=0,intent=""):
    expiry_dates = payload['records']['expiryDates']
    expiry_dates = [datetime.datetime.strptime(date, "%d-%b-%Y") for date in expiry_dates]
    expiry_dates = [date.strftime("%d-%b-%Y") for date in expiry_dates if date >= datetime.datetime.now()]
    expiryDate=expiry_dates[inp]
    for x in range(len(payload['records']['data'])):
      if((payload['records']['data'][x]['strikePrice']==strikePrice) & (payload['records']['data'][x]['expiryDate']==expiryDate)):
          if(intent==""): return payload['records']['data'][x][optionType]['lastPrice']
          if(intent=="sell"): return payload['records']['data'][x][optionType]['bidprice']
          if(intent=="buy"): return payload['records']['data'][x][optionType]['askPrice']

def nse_expirydetails(payload,i=0):  #Can make problem. Use nse_expirydetails_by_symbol()

    expiry_dates = payload['records']['expiryDates']
    expiry_dates = [datetime.datetime.strptime(date, "%d-%b-%Y") for date in expiry_dates]
    expiry_dates = [date.strftime("%d-%b-%Y") for date in expiry_dates if date >= datetime.datetime.now()]
    currentExpiry=expiry_dates[i]    
    currentExpiry = datetime.datetime.strptime(currentExpiry,'%d-%b-%Y').date()  # converting json datetime to alice datetime
    date_today = run_time.strftime('%Y-%m-%d')  # required to remove hh:mm:ss
    date_today = datetime.datetime.strptime(date_today,'%Y-%m-%d').date()
    dte = (currentExpiry - date_today).days
    return currentExpiry,dte

def nse_quote_ltp(symbol,expiryDate="latest",optionType="-",strikePrice=0):
  payload = nse_quote(symbol)

  meta = "Options"
  if(optionType=="Fut"): meta = "Futures"
  if(optionType=="PE"):optionType="Put"
  if(optionType=="CE"):optionType="Call"

  if(expiryDate=="latest") or (expiryDate=="next"):

    if(meta=="Futures"):
      selected_key = next((key for key in payload["expiryDatesByInstrument"] if "futures" in key.lower()), None)
    if(meta=="Options"):
      selected_key = next((key for key in payload["expiryDatesByInstrument"] if "options" in key.lower()), None)

    expiry_dates=payload["expiryDatesByInstrument"][selected_key]
    expiry_dates = [datetime.datetime.strptime(date, "%d-%b-%Y") for date in expiry_dates]
    expiry_dates = [date.strftime("%d-%b-%Y") for date in expiry_dates if date >= datetime.datetime.now()]
    if(expiryDate=="latest"): expiryDate=expiry_dates[0]
    if(expiryDate=="next"): expiryDate=expiry_dates[1]
  

  if(optionType!="-"):
      for i in payload['stocks']:
        if meta in i['metadata']['instrumentType']:
          #print(i['metadata'])
          if(optionType=="Fut"):
              if(i['metadata']['expiryDate']==expiryDate):
                lastPrice = i['metadata']['lastPrice']

          if((optionType=="Put")or(optionType=="Call")):
              if (i['metadata']["expiryDate"]==expiryDate):
                if (i['metadata']["optionType"]==optionType):
                  if (i['metadata']["strikePrice"]==strikePrice):
                    #print(i['metadata'])
                    lastPrice = i['metadata']['lastPrice']

  if(optionType=="-"):
      lastPrice = payload['underlyingValue']

  return lastPrice

def nse_expirydetails_by_symbol(symbol,meta ="Futures",i=0):
    payload = nse_quote(symbol)

    if(meta=="Futures"):
      selected_key = next((key for key in payload["expiryDatesByInstrument"] if "futures" in key.lower()), None)
    if(meta=="Options"):
      selected_key = next((key for key in payload["expiryDatesByInstrument"] if "options" in key.lower()), None)

    expiry_dates=payload["expiryDatesByInstrument"][selected_key]
    expiry_dates = [datetime.datetime.strptime(date, "%d-%b-%Y") for date in expiry_dates]
    expiry_dates = [date.strftime("%d-%b-%Y") for date in expiry_dates if date >= datetime.datetime.now()]
    
    currentExpiry=expiry_dates[i]
    currentExpiry = datetime.datetime.strptime(currentExpiry,'%d-%b-%Y').date()    
    dte = (currentExpiry - datetime.datetime.now().date()).days
    return currentExpiry,dte

Version 2.5 Updated with the above changes