There are many/some DAY train daily connecting Bangalore to Chennai as well as Bangalore to Coimbatore. But no DAY train to Tiruchy or Madurai.
So Please introduce these kind of Daily DAY train to connect Tiruchirappalli/Madurai from Bangalore.
Currently people are totally dependent on Mysore-Mayiladuthurai/Tuticorin as well Bangalore-Nagercoil which are completely jam-packed.