New Delhi, Mar 24 (PTI): India today completed a historic 4-0 clean sweep against Australia by recording an emphatic six-wicket victory in the fourth and final cricket Test here today.

On a Feroze Shah Kotla track which is not conducive for good batting, India chased down a tricky target of 155, largely due to Cheteshwar Pujara's dazzling strokeplay as the home team recorded their biggest ever series win in the 81-year history inside three days.

Pujara, who was battling pain as he was playing with a swollen hand, enthralled one and all with his perfect technique on a rank turner, scoring a brilliant unbeaten 82 off 92 balls with 11 boundaries.

For Australia, it was the first time in 43 years to suffer a 0-4 series whitewash after Bill Lawry's side did the same in South Africa in 1969-70.

There were a few jitters when India lost Virat Kohli (41), Sachin Tendulkar (1)and Ajinkya Rahane (1) in quick succession but Pujara kept his cool in company of skipper Mahendra Singh Dhoni (8 not out) to successfully complete the run chase.

Pujara hit three boundaries off Glenn Maxwell to level the scores and then Dhoni hit the winning boundary to send the 25,000-odd crowd at the stadium into a frenzy.

The on-field celebrations were muted but the dressing room was delirious with joy as the players engaged in bear hugs.

The target of 155 might have looked quite a task but both Pujara and Kohli made batting look easy on a difficult track, adding 104 runs for the second wicket to pave the way for victory.

Starting the run chase, Murali Vijay (11) was bowled trying to play an unnecessary reverse sweep but Pujara played some unorthodox shots to set the tone.