Chapter V Sloka 27

SpzaRNk«Tva bihbaRýa<í]uíEvaNtre æuvae>, 
àa[apanaE smaE k«Tva nasa_yNtrcair[aE.

sparþ˜nk®tv˜ bahirb˜hy˜Õþ
cakÿuþcaiv˜ntare bhruvo× | 
pr˜õ˜p˜nau samau k®tv˜ 
n˜s˜bhyantarac˜riõau ( 5|27)||

Shutting out (all) external contacts and fixing the gaze between the eyebrows, equalising the outgoing and incoming breaths moving within the nostrils,