The first pillar of Islam is the Shahada, the assertion of faith, combining the themes of unity and mercy that are found in the Quran. There are two shahadas: "There is no god but ALLAH" and "Muhammad (PBUH) is the messenger of ALLAH".
Bakht Khan was made the Commander-in-Chief after Mirza Mughal, the son of Bahadur Shah. The British Army was equipped with higher level and number of artillery. The war ended up with the sweeping victory of the British Raj and the end of 800 years of Muslims rule.