India positioned themselves for a massive win in their 500th cricket Test by polishing off the New Zealand top-order after setting them a colossal 434-run target, propelled by unbeaten half-centuries from Rohit Sharma and Ravindra Jadeja here today.
New Zealand were tottering at 93 for four in their second innings with the exuberant Luke Ronchi (38) and the steady Mitchell Santner (8) at the crease when stumps were drawn on the fourth day.
The Black Caps require a history-defying effort to win the Test as no team has ever chased such a daunting target. They still need 341 runs and batting three sessions on a fifth-day wicket is not something visiting teams have achieved often in India.
Earlier, negotiating a spin-friendly track with aplomb, Rohit (68) and Jadeja (50) raised a 100-run stand in quick time after India lost four wickets, starting the day at 159 for one.
Left-arm spinner Mitchell Santner dismissed two batsmen while Ish Sodhi and Mark Craig claimed a wicket apiece but only to see the next Indian pair hammer them around the park as India declared their second innings at 377 for five at the stroke of tea.
Rohit and Jadeja never looked uncomfortable on the deteriorating fourth-day Green Park track, entertaining the Sunday crowd with some quality strokes, including three sixes by the left-hander.
However, when Indian spinners bowled, New Zealand batsmen were were all at sea on the pitch as off-spinner Ravichandran Ashwin removed both the openers -- Martin Guptill (0) and Tom Latham (2) -- in the space of five balls to cause ripples in the rival camp.
Guptill was first to go by handing an inside edge to forward short-leg fielder while left-handed Latham was caught in front of the wicket while defending.
Ashwin could have got Kane Williamson (25), when he was on 16, had Umesh Yadav held on to a tough chance at square leg boundary but the off-spinner did not have to wait for long to see the back of the New Zealand captain as he trapped him soon and completed a milestone of 200 Test wickets.
He is only the ninth Indian to get that figure but fastest among all, doing it in his 37th match. He bettered Harbhajan Singh's record, who took 46 matches.
Ashwin is the second fastest in the world behind Australian Clarrie Grimmett (36 matches).
A run out was the last thing that New Zealand needed but Ross Taylor blundered by not grounding his bat even when he had made the crease, attempting a couple of runs with Ronchi.
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Ronchi had pushed the ball through covers and there was no scope of a run out. However, Yadav's direct hit converted it into a wicket out of nothing. Taylor would certainly rue the silly mistake.
This happened after Ashwin saw a second chance grassed by the fielder off his bowling. Ronchi (on 3 at the time) drove him uppishly, edged the ball high in the air, but Murali Vijay could not catch it while running backwards.
Earlier, after losing three wickets in the opening session, India also lost Ajinkya Rahane (40) but Rohit and Jadeja ensured that the hosts do not suffer any more reversal after that.
They raised an unconquered 100-run stand for the sixth wicket and the moment Jadeja got a single off Santner to get to his half-century, Indian captain Virat Kohli declared and umpired called the tea break.
Jadeja celebrated his milestone by wielding his bat like a sword before the two batsmen walked off the field. Rohit and Jadeja played in contrasting fashion with the left-hander being more aggressive even as they scored 125 runs in the second session after Rahane was trapped by Santner.
Both overnight batsmen -- Murali Vijay (76) and Cheteshwar Pujara (78) -- departed along with skipper Virat Kohli (18) in the morning session but took their lead past the 300-run mark by adding 93 runs to the overnight total.
Except for two overs, Williamson had his spinners operating from both ends and each one of the three spinners delivered a wicket apiece.
Vijay and Pujara batted for about 10 overs together before Santner broke the 133-stand between them by trapping the former. Vijay played for turn, missed and the ball struck his pad before hitting the outside edge of his bat. He could add only 12 runs to his overnight total.
Kohli walked in to a boisterous welcome by the crowd and pulled a short one from Sodhi to mid-wicket boundary.
The New Zealand spinners managed to turn a few balls, creating some doubts in the minds of the Indian batsmen. Kohli and Pujara played on merit of the balls and found occasional boundary. It was not easy find quick boundaries.
Later Saha was out leg before in the last over before tea
to complete a miserable second session for the home team.
Australia, ahead by 155 runs on the first innings, were dismissed by the hosts for 285 in the extended first session.
India's highest ever successful fourth innings run-chase at home has been 387 against England in 2008 at Chennai.
The visitors added 142 runs in the extended opening session in 41 overs after commencing at the overnight 143 for 4 with Smith (59) and Mitchell Marsh (21) at the crease.
Smith curbed his natural attacking instincts to slowly and steadily inch his way to 109 in 255 minutes and 202 balls, inclusive of 11 fours, when he was trapped leg before by Ravindra Jadeja for his second wicket of the morning.
However, by the time of the visiting team's skipper departure at 246 the Australian lead had swelled past the 400 mark - a huge one by any reckoning that looks impregnable on this treacherous pitch.
Mitchell Starc, who made a whirlwind 61 in the first innings, later treated the bowlers harshly by striking 3 sixes and 2 fours in a quick-fire 30 off 31 balls before he was caught in the deep off Ravichandran Ashwin to give the off spinner his first wicket of the day and fourth overall.
Jadeja sent back Marsh for 31 and Stephen O'Keefe for 6 to terminate the innings and end up with innings figures of 3 for 65 while Ashwin's analysis read 4 for 119.
Umesh Yadav, the only other successful bowler, finished with 2 for 39 to add to his 4 for 32 in the first innings.
