The document contains two invitation letters from the Science and Technology Council of the Indian Institute of Technology (Banaras Hindu University), Varanasi. The council is inviting two people to serve as judges for different events at their annual techno-management festival called Technex'15 happening from February 27th to March 1st. The first letter invites Mr. Prashant Sinha to judge the Open Hardware category of their Model exhibition event called Modex. The second letter invites Mr. Prashant Sinha to judge the Pahal category of their event called Sampann, which invites ideas for development in energy and water fields.