Please suggest any dua which will protect is to stay away from the thoughts of gay feeling , please, I am sure there must be some Quranic verse to keep away of from those shaitanic feeling?
Homosexuality gay feeling is related to your lust (nafsu). And the best way to control your sexual feeling is through fasting.
Al-Baqarah, Verse 183 :
"O you who have believed, decreed upon you is fasting as it was decreed upon those before you that you may become righteous"
Fasting will reward you with Takwa (fear of Allah) which will help you to control your feelings.
In addition, it is best for you to Istighfar (Astaghfirullah) whenever you have a thoughts or feeling of partaking in satanic activities.