Due to Thunder showers in Ongole on 21st night around 10 pm the electronic circuit got damaged, all trains got delayed around ongole. for 30 mins, all trains around ongole up & down directions impacted. This train came to ongole around 12:30 am on that day. I am waiting for 17644 at OGL, it got delayed by 1 hr and came 1:30 at night.