code: public Map<String, OHLCQuote> getOHLC(String [] instruments) throws KiteException, IOException, JSONException {
          JSONObject resp = new KiteRequestHandler(proxy).getRequest(routes.get("quote.ohlc"), "i", instruments, apiKey, accessToken);
          Type type = new TypeToken<Map<String, OHLCQuote>>(){}.getType();
          return gson.fromJson(String.valueOf(resp.get("data")), type);
      }
docs: Retrieves OHLC and last price.
  User can either pass exchange with tradingsymbol or instrument token only. For example {NSE:NIFTY 50, BSE:SENSEX} or {256265, 265}
  @return Map of String and OHLCQuote.
  @param instruments is the array of tradingsymbol and exchange or instruments token.
  @throws KiteException is thrown for all Kite trade related errors.
  @throws IOException is thrown when there is connection related error.