In the three-day technical festival Technex going on at IIT BHU, students made rockets and practiced flying them.  In the Gymkhana grounds, students from IIT BHU and other places including Kanpur made rockets with the help of plastic bottles, pipes etc.  Flew it on Sunday afternoon.Apart from this, the power of robots was shown in the Robo War organized in different categories at Rajputana Ground.  The strength of the robot was seen in the 6 kg and 8 kg groups.  More than 10 thousand participants have come to IIT BHU for the three-day festival.  There is also an exhibition of robots in Swatantrata Bhawan.