We run only one strategy. And also straightly follow your rate limits.
We didn't face any issues to run algo from 9:30am to 3pm on NSE & BSE exchange . We facing this issues only on MCX only.
above issue in SENSEX solved, but i am facing issue in MCX CRUDE OIL FUTURE if i run algorithm with sleep time 2 seconds, showing Too many requests error after 5 min,