Bumrah underwent some treatment for cramps during the drinks break before he walked off the field.
Sundar continues as Carey pushes the third ball for a single and Smith is unable to get a run off the next three. But Sundar oversteps for a no-ball and Smith clips the last ball for one to retain strike.
Nitish Reddy comes back for a new spell as India look to rest their pacers before taking the second new ball.
Smith inside edges the first ball to fine leg for a single and Carey nudges the next off his pads for another run.
Smith easily steers the wide length ball from the pacer past point for one and Carey keeps strike with another run from the last ball.
Sundar sends down a maiden over as Australia reach 291/5 in 80 overs.
India haven't taken the second new ball as Reddy continues. With around 25 minutes left for stumps, Australia's batters will be happy to play against the new ball against part-timers.
But just one over from Reddy before India take the second new ball as Bumrah is back on the field.