Quadcopter Drone Combo with APM 2.8 Kit for beginner (Motor + ESC + Propeller + Flight Controller + Frame + TX-RX Flysky FSi6+ Power module + Belt)

No sir,
Alley keys are not included in the package. You can purchase it here separately.
2MM Allen key: https://www.flyrobo.in/high-quality-allen-key-2mm
2.5MM Allen key: https://www.flyrobo.in/high-quality-allen-key-2.5mm

It is very difficult to say because flight time depends on various things, Mainly it depends on the weight of the drone and the weight of every drone very, So we can not be able to provide flight time for your drone.

Dear Sir,

You can buy a lipo battery to fly the drone.

Click Here to buy a 2200 mah lipo battery. 

This quadcopter drone kit will come with the F450 frame and it does not come with the GPS module. But You can purchase it separately from the flyrobo website.

GPS Module Ublox NEO-8M With Electronic Compass for Apm/Pixhawk

Yes sir, This quadcopter kit Comes with an APM 2.8 flight controller and it has the ability to add various external components, like Gimbal for aerial photography, airspeed sensor, Telemetry device to communicate with the drone from Mobile or desktop, etc. there are many order sensor is supported. So, you can highly customize this kit as per your need.

Note: This external component is not mandatory.