Thanks for your quick reply, The information you want is as follows:
1: I am using the sandisk 16gb SdCard class 10 (I have not Bought it from Dexter Industries).
2: I have booted Kali linux 2.0 on the sdcard. as you said about led things,I have seen the video its great and the image i am using is not corrupted.
the power and act led works fine and same goes to the ethernet. The pi3 is actually working on my desktop but i want to make it work on my macbook air 2013
3: Lastly the connection i use is ethernet connection,and sometimes wifi for pi 3 which is inbuilt.
I am just send you an attachment just see it and reply.