1. Asst. Prof., Dept. of Civ. Engrg., Indian Inst. of Technol., Kanpur, UP 208 016, India.
2. Asst. Prof., Dept. of Mech. Engrg., Indian Inst. of Technol., Kanpur, UP 208 016, India.
3. Grad. Student, Dept. of Civ. Engrg., Indian Inst. of Technol., Kanpur, UP 208 016, India.