[other] Root android device mtk 6592 on ubuntu topic

i want to install superuse.apk and busy box in my android device which is mtk6592 processor 8 core device.
i want to root it. open it on ubuntu in a root mode to copy past mu su superuser files and busy box files
kidnly help I have opened my mobile in ubumtu. I reached adb shell. but I am not able to push pnseuter , busy box and others like su, superuser .apk etc to themobile
thanking you sir