With a JEE Main rank of 6,47,849, you can still explore several B.Tech options, including Galgotias University, provided you meet the required Class 12 eligibility. JEE Main scores are given preference in Galgotias University's merit list, but admission is not based only on JEE rank.
with 67 percentile is jee main you can explore bihar engineering colleges though state counselling galgotias university is also worth considering as a private option for electrical engineering subject to eligibility and admission requirements
With a JEE Main rank around 1.29 lakh you can also consider Galgotias University for BTech
It offers multiple engineering branches including CSE AI and Data Science Cyber Security Robotics and other specialisations
Your final branch will depend on your eligibility and seat availability so I would recommend checking the current admission options before making a decision