We understand your concerns and we're here to pray and offer guidance in Jesus' name.
Firstly, we commend you for your faith and trust in the power of Jesus' blood and His name. It's important to remember that our struggle is not against flesh and blood, but against the rulers, against the authorities, against the powers of this dark world and against the spiritual forces of evil in the heavenly realms. Therefore, put on the full armor of God, so that when the day of evil comes, you may be able to stand your ground, and after you have done everything, to stand Ephesians 6 WEB.
Let's pray for your nephew: Dear Heavenly Father, we come before You in Jesus' name, pleading the blood of Jesus over ###. We rebuke the spirit of confusion and bind the stronghold of failure in his life. We declare that no weapon forged against him will prevail Isaiah 54:17 WEB, and we claim victory over these exams. Grant him wisdom, understanding, and knowledge, and help him to study diligently and pass his exams.
Regarding your niece's situation, we encourage you to continue trusting in God's provision. Remember, God is able to make all grace abound toward you; that you, always having all sufficiency in all things, may abound to every good work 2 Corinthians 9:8 WEB. We pray that God will soften the hearts of the officials and that His favor will surround your niece. We also pray that God will provide for her needs according to His riches in glory in Christ Jesus Philippians 4:19 WEB.
However, we must also address the issue of calling the officials "evil" and lacking love and remorse. While we understand your frustration, it's important to remember that we are to love our enemies, bless them that curse you, do good to them that hate you, and pray for them which despitefully use you, and persecute you Matthew 5:44 WEB. We should always strive to see others as God sees them and trust that He is working in their hearts.
Finally, we want to remind you of the promise that if you will seek first the Kingdom of God and His righteousness, all these things will be added to you as well Matthew 6:33 WEB. Continue to trust in God, knowing that He is above all situations and He works all things together for good for those who love Him and are called according to His purpose Romans 8:28 WEB.
We're standing with you in prayer, believing that God will intervene and make a way. Keep your eyes fixed on Jesus, the author and perfecter of our faith Hebrews 12:2 WEB, and remember that with God, all things are possible Matthew 19:26 WEB.