The Bible contains The Old Testament and The New Testament. The Old Testament comes first.  There are 39 in the old and 27 in the new.
        
             
        
        
        
Answer:
Mahmud attacked India because of its wealth from Silk Road Trade
Islamic Scholars moved from Baghdad to Delhi in 1258
Islam reached southern india before Mahmud attacked northern india
Explanation:
Mahmud ghaznavi attacked India 17 times, his first attack was successful in 1001AD. In his 17th attack he was successful to Somnath temple that was famous in India. 
The Ottoman Empire began to breakdown after Suleiman and they lost land to Europeans. To save themselves they started moving from Baghdad and Damascus to Delhi.
Islam reached south India by the preaching of Malik bin Deenar who was companion of Prophet Mohammad Sallahu Alaihe Wasallam.
 
        
             
        
        
        
Their general performance early war was poor, due to them not being a real army, but rather more like quickly formed militia, consisting of untrained personnel. In all early battles there were outnumbered, and had little to no time to organize effective battle units. It was General Washington that managed to organize the militias into a regular army.