Natyashastra
जनप्रवेशनं चान्यदाभिमुख्येन कारयेत् । रङ्गस्याभिमुखं कार्यं द्वितीयं द्वारमेव तु ॥ ९७॥
The entrance for the public should be constructed separately, facing another direction. The second door should be made on the side facing the stage.
english translation
janapravezanaM cAnyadAbhimukhyena kArayet । raGgasyAbhimukhaM kAryaM dvitIyaM dvArameva tu ॥ 97॥
hk transliteration by Sanscript