Roy was fined for breaching Level One of the ICC Code of Conduct during the match at Edgbaston on Thursday.
Australia's Rod Tucker will be the third umpire while Pakistan's Aleem Dar will be the fourth official, the ICC said in a statement.
India captain Virat Kohli on Friday defended his team's verbal attack on the broadcasters after Dean Elgar's contentious DRS reprieve, saying that people on the outside don't understand the trigger for such an outburst.
Gambhir that Kohli's reaction was 'exaggerated' and 'really immature'.
Australian leg-spinner Adam Zampa has received an official reprimand and one demerit point for breaching the International Cricket Council's code of conduct during the World Cup match against West Indies.
The incident happened during the first session's play on Friday when Sharma celebrated the dismissal of Dawid Malan in close proximity to him, an action which in the view of the match officials had the potential to provoke an aggressive reaction from the departing batsman.
Australia captain Tim Paine lost a referral when third umpire Aleem Dar upheld the decision after reviewing video replays from several angles.
Pakistan have been fined for maintaining a slow over-rate against Sri Lanka during their last Group B fixture in the ICC Champions Trophy at the Sophia Gardens.
Virat's captaincy may have come of age in this competition.
Pakistani players made a prolonged appeal but umpire Marais Erasmus was not convinced.
The British media's 'no love lost' attitude towards Virat Kohli was evident once again as they questioned the Indian captain's exchange of words with Ben Stokes after the latter's dismissal but performer of the day Jonny Bairstow was in no mood to fan the fire.
Australian captain Steven Smith has expressed disappointment over his controversial dismissal in his side's defeat in a do-or-die game against India at Mohali on Sunday. Smith was adjudged caught behind by umpire Marais Erasmus on two at Mohali, off Yuvraj Singh's first delivery of the tournament. The Aussie skipper looked clearly furious as he left the ground shaking his head. "It didn't feel like I hit that but that's the game of cricket. I got given out. It was the umpire's call and that was it. It was a bit disappointing," Smith said. Smith, who will be playing in the same Indian Premier League team (Rising Pune Supergiants) as Indian captain Mahendra Singh Dhoni refrained from reading much into the loud appeal by Dhoni from behind the stumps.
Following is a fact box on the final Test of the four-match series between Australia and India
New Zealand umpire Billy Bowden may reportedly be recalled for the back-to-back Ashes series in England and Australia to take the pressure off the four over-stretched and error-prone Ashes officials during the next seven Tests.
West Indies' Marlon Samuels was, on Monday, fined 30 per cent of his match fee for breaching Level 1 of the ICC Code of Conduct during his side's ICC World Tweny20 India 2016 final against England at EdenGardens on Sunday.
Check out on-field umpires for the ICC Cricket World Cup final between Australia and New Zealand on Sunday in Melbourne.
Images from Day 5 of the 3rd Ashes Test played at the WACA in Perth on Monday
'I've played with Bumrah in the IPL and we're good friends. You're not going to back down when you're playing for your country and sometimes on the field things get heated.'
The International Cricket Council's Elite Panel of Umpires will not have an Indian representation after Sundaram Ravi got the axe.
The ICC announced the Emirates Elite Panel of umpires for 2014-2015, commencing from July 1, following the annual review and selection process.
South African pacer Lungi Ngidi on Thursday said the Indians were clearly 'frustrated and under pressure' as a controversial DRS call saved home skipper Dean Elgar.
Kohli, who also led India to the top of the world's Test rankings during the period, received the Sir Garfield Sobers Trophy, which team mate Ravichandran Ashwin had won last year.
There seems to be no love lost between India and Australia players as visiting skipper Steve Smith, on Monday, appeared to have used cuss words against Murali Vijay after the home team opener claimed to have taken a catch that was deemed not clean.
India will play two warm-up games before their opening match of the ICC World Twenty20 to be held in Bangladesh next month, according the schedule announced on Wednesday.
Indian cricket captain Mahendra Singh Dhoni feels 50-50 decisions are going against his team in the ongoing Test series against Australia but remains adamant that having the controversial Decision Review System would not have helped.
Expressing his displeasure over Virat Kohli's behaviour, legendary Indian batsman Sunil Gavaskar has slammed the Indian skipper for engaging in war of words with Ben Stokes after the England all-rounder's dismissal on Day One of the ongoing third Test in Mohali. The incident took place during the 44th over in the post lunch session on the opening day when Stokes, who had played the spinners well till that point, was foxed by all-rounder Ravindra Jadeja and stumped by Parthiv Patel.
This was the fourth match to be either called off or abandoned in the rain-hit tournament with many questioning the absence of reserve days for group matches.
Chris Gaffaney and Sundaram Ravi were promoted from the Emirates International Panel of ICC Umpires to the Emirates Elite Panel of ICC Umpires, where they replaced Billy Bowden and the retiring Steve Davis.
Dean Elgar feels the SA batters got a 'window period' to go after the target in the 3rd Test following India's on-field outburst on the DRS call
Images from Day 3 of the third Test between South Africa and India, in Cape Town, on Thursday.
Six Indians, including match referee Javagal Srinath, on Thursday found a place in the ICC's 31-strong Playing Control Team for next month's World Twenty20, which will also feature women match officials for the first time. "The strong Playing Control Team includes all the seven and 12 members of the Emirates Elite Panel of ICC Match Referees and Elite Panel of ICC Umpires, respectively, as well as 10 members of the Emirates International Panel of ICC Umpires and two members of the ICC Associate and Affiliate Panel of International Umpires," the ICC said in a statement. Srinath will be the referee in the March 8 tournament- opener between Zimbabwe and Hong Kong in Nagpur. He will lead the Playing Control Team, which also includes Aleem Dar and Ian Gould as on-field umpires, Marais Erasmus as TV umpire and Richard Illingworth as fourth umpire. The umpires' panel for the March 8 to April 3 tournament includes two female umpires -- New Zealand's Kathleen Cross and Claire Polosak of Australia. The two were also involved in the ICC Women's World Twenty20 Qualifier in Thailand.
England all-rounder Ben Stokes was reprimanded for breaching the ICC Code of Conduct after he was charged for making inappropriate comments during the opening day's play in the third cricket Test against India in Mohali on Saturday.
Pakistan's Asad Rauf, who is being investigated in the IPL spot-fixing scandal, and long-serving New Zealander Billy Bowden were on Tuesday dropped from the ICC Elite Panel of Umpires after an annual review of their performance.
Facts and figures for the World Twenty20 final between England and West Indies at Eden Gardens on Sunday: World T20 head-to-head: Played: 4 - West Indies wins 4, England wins 0 All T20 head-to-head: Played: 13 - West Indies wins 9; England wins 4
The International Cricket Council named four World Cup winners in a 25-member match officials' team for Cricket World Cup 2015, which will be co-hosted by Australia and New Zealand from February 14 to March 29. The team includes five officials from the elite panel of ICC match referees, 12 umpires from the elite panel of ICC umpires and eight umpires from the international panel of ICC umpires.
Following is a factbox on the first Test match between Australia and England, which starts on Thursday:
Images from Day 3 of the second Test between South Africa and India, in Johannesburg, on Wednesday.
'It is one of those things that every day, often, you are having small conversations about it'
Dharamsena had signalled to add six runs to England's total, instead of five, when Martin Guptill's throw from the deep raced to the boundary ropes after being deflected off the bat of a diving Ben Stokes.
The International Cricket Council on Friday approved four-day Tests on a trial basis, effectively giving green light to the Boxing Day Test between hosts South Africa and Zimbabwe from December 26-29.