Mysore/Mysuru: Four Trustees of T.S. Subbanna Public Educational Institutions have been booked for cheating funds to the tune of over Rs. 20 lakh, at Vidyaranyapuram Police Station in city. According to the complaint lodged by Secretary of the Trust D.G. Somashekar Murthy to a Court, on the basis of anonymous letters received by him,  “Trustees…