President Ram Nath Kovind will be on a two-day visit to Andhra Pradesh from today to inaugurate an Aircraft Museum in Visakhapatnam today. <br/><br/>Later, he will lay the foundation stone for the E-Classroom Complex and Incubation Centre and will declare the setting up of the Centre for Defence Studies at the Andhra University. <br/><br/>Mr. Kovind will also visit the Dr B.R. Ambedkar Memorial School in Visakhapatnam. <br/><br/>Tomorrow, the President will present Colour to the Submarine Arm of the Indian Navy.