Short answers, pulled from the story.
Babur crossed the Khyber Pass in the early 1500s to claim India with an army of horse archers. His forces relied on traditional Turko-Mongol tactics that emphasized speed and shock charges over static defense.
Akbar reorganized the military into the Mansabdari system when he took the throne in 1556 to govern vast new territories. Under this system, officers called mansabdars received ranks based on the number of horsemen they could provide ranging from 10 troopers at the lowest level up to 5,000 at the highest.
Historical records regarding the size of the Mughal army vary wildly depending on the source consulted. During the 17th century some estimates placed infantry numbers between 911,400 and 4,049,097 men while cavalry figures ranged from 342,696 to a staggering 15 million riders according to certain accounts.
The Mughal imperial camp functioned as a mobile administrative capital requiring hundreds of thousands of people and 50,000 horses or oxen just to transport tents baggage and equipment. Akbar's entourage included small hunting camps and large campaign encampments capable of accommodating 300,000 people total.
The adoption of gunpowder warfare led historians Marshall Hodgson and William H. McNeill to term the Mughals a gunpowder empire. The army employed heavy cannons light artillery grenades rockets and heavy mortars among other weapons including swords spears and bows and arrows.
In Dhaka alone the fleet numbered 768 ships including 933 sailors of Portuguese origin and 8,112 artillery personnel in the east. To support maritime operations grand vizier Mir Jumla repaired and fortified three river forts: Hajiganj Fort Sonakanda Fort and Idrakpur Fort between 1660 and 1663.