Ketamukkala Madhusudhana Sarma S/o KVRN Sastry(Born on 3rd May 1973) has set a record by teaching shortcuts in maths to more than 11,000 students till date and still continuing from an insititution named SIIGMAA9 which has been derived from vedas, like kapila knows sankyasahstram, yudhistara knows aksharidyam and many more. He teaches students to his best of knowledge.