I will tell this based on my friend's experience. My friend got around 320 marks in UPTU and he got 4900 rank in General category. Around after 3 or 4 rounds of counseling, he didn't get KNIT Sultanpur or BIET Jhansi, let alone IET Lucknow. He left the counseling after getting a seat in IT branch of AK Garg Engineering College. So 384 marks will fetch you a decent rank around 3500.
You can use this college predictor for further help: https://www.careers360.com/upsee-college-predictor