India finished fourth in group stage having won two, drawn one and lost two. One of India's win came against eventual gold medallists, Argentina.
But the Men in Blue failed to go beyond the quarterfinals having lost 1-3 to silver medallists Belgium.
"The results were satisfactory if not ideal according to our preparations. But looking back we can see that in every game we pushed our opponents till the very end," Oltmans said after returning to India here today.
With some strong performances in the lead up to the Rio Games that included a silver medal finish at the FIH Champions Trophy in London, the expectations from the Indians were very high in the Olympics. But after a strong start, the PR Sreejesh-led side dished out some inconsistent performances to crash out in the last eight stage of the competition.
"For all of us the Olympics has been a great eye opener and a huge life experience. As professionals we always dream of representing our country at the highest level and the Olympics is the highest. I'm proud of the team for the way we played," he said.
"Barring some small moments, our performance was very good. Now we have to focus on correcting all the things we got wrong and believe in ourselves for the future."
The women's hockey team, who represented the country in the Olympics after a long gap of 36 years, also returned to the country along side their male counterparts today.
"It was always a dream for us to represent India at the Olympics. There was a fear of getting overawed by the occasion, but we didn't and I am proud of the team for that.
"Ours is a young team and we have already made a small mark in the world stage. Now we have to try and get better and make that mark more and more visible," Indian women's team captain Sushila Chanu said.
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