Students of Narayana IIT Olympiad School in Tirupati excelled by crossing the first stage of the National Talent Search Exam (NTSE) held recently. The test was conducted by the National Council of Education, Research and Training (NCERT). S. Srinivasa Sourabh, M. Chaitanya Naik and V.S. Pragnya got selected for the second test Academic zonal in-charge Surendra Naidu, principal G. Satyanarayana and chief executive officer Pattabhirami Reddy congratulated the students.