hello and Welcome to TFO......... don't ever feed apples or any sweet fruit or any food containing sweetness, sucrose, dextrose, sugar extra.... indian star is a ""high fibre low protein&sugar diet"" tortoise...... their alimentary canal/stomach can't handle sugars...... cucumber is okay but not regularly as it has nothing but water in it so your star is going to be deficient in vitamins and fibre which isn't good for health....
here's a list of what you should and can feed :
hibiscus leaves and flower
coriander :
methi patta :
jasminum sambac (mogra) leaves and flowers moderately :
Hey guyz I am HeMaNtH from India and how my torts look
Hey shanu can we use sand as a floor for indian stars ? And when we should soak tots in tepid water? And finally at what age they will mate