Here is the list of festivals and utsavams at TTD in April 2017. At Tirumala Tirupati Devasthanam, every day is a festival.
April 2017 corresponds with Chaitra Masam and Vaishakha Masam in Telugu calendar, Panguni Masam and Chithirai Masam in Tamil Panchangam.
The following are series of important religious events that are lined up to take place in Tirumala in the month of April 2017.
April 5, 2017 – Sri Rama Navami Asthanam
April 6, 2017 – Sri Rama Pattabhishekam
April 7, 2017 – Matatraya Ekadasi
April 8-10, 2017 – Annual Vasanthotsavam
April 11, 2017 – Tumburuteertha Mukkoti
April 22, 2017 – Sri Bhashyakarula Utsavam, Sarva Ekadasi
April 29, 2017 – Sri Parasurama Jayanthi, Akshaya Tritiya
April 30, 2017 – Sri Madhurakavi Alwar Utsavam, Sri Sankara Jayanthi
Good details of TTD FESTIVAL LIST VERY USE FULL.