Akash,
Please provide them the following link:-
http://www.andovercg.com/datasheets/cisco-7000-nexus-hardware.pdf >> this will cover the hardware.
Software:-
https://www.ciscolive.com/online/connect/sessionDetail.ww?SESSION_ID=7677 >> ask them to download the ppt whi ch will cover the software architecture.
There are white papers which can help them as well:-
http://www.cisco.com/c/en/us/products/switches/nexus-7000-series-switches/white-paper-listing.html
HTH
Regards
Inayath
***Please do not forget to rate the post if its helpfull***