Pujara hit a solid bat on Anderson's ball, an open face steering it past the repositioned man for the single and that took him to 200.
Before Tea, the second session of Day 2 belonged to England, as they were successful in getting rid of, looking good at crease, Yuvraj Singh (74) and skipper MS Dhoni (5) but nothing could have stopped Pujara from scoring 150. India were 502/6 at Tea.
All-rounder Ravichandran Ashwin gave a good support and scored 21 runs. Graeme Swann registered his 14th five-wicket haul when he dismissed Indian captain MS Dhoni.
Earlier in the first session, making the guests England bite the dust, the Yuvraj-Pujara duo reached Team India scorecard to 410/4 at Lunch after 121 overs on Day 2 of Ahmedabad Test on Friday.
Pujara reached the milestone by a flicking a Stuart Broad delivery to fine leg and achieved it with the help of 13 fours.
The day's play started with Pujara and Yuvraj Singh resuming the Indian first innings.
India ended Day 1 at 323/4 with Graeme Swann bagging all the four wickets to fall on the day and the off-spinner also became the most successful England off-spinner with 196 wickets, surpassing Jim Laker (193).
India's innings was built largely around Virender Sehwag's 23rd Test hundred (117), Cheteshwar Pujara's watchful, unbeaten 98 and Gautam Gambhir's 45.
Sachin Tendulkar and Virat Kohli were unfortunate to get out cheaply for 13 and 19 respectively.
Openers Sehwag and Gambhir gave India a sound start after India elected to bat first, putting on 134 — their first century stand since Centurion in 2010-2011.
This was also the duo's 11th century partnership, surpassing Sunil Gavaskar and Chetan Chauhan's 10 as openers. Both started cautiously, picking up singles and twos and pushing and punching the odd one to vacant areas.
But Sehwag soon shifted gears, and apart from the occasional troublesome delivery from Stuart Broad or James Anderson seemed in fine fettle.
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