"This match is the first step to Asian Cup's preparation which is precisely 14 months away," he said at the official pre-match press conference at the JLN Stadium here.
Having won the first game 1-0, India play Myanmar in the return leg tomorrow.
"The match allows us the opportunity to test the depth of our squad. Obviously, we are looking forward to it," he maintained.
Constantine showed huge respect for the visitors and said that it can be "anyone's game".
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Skipper Chhetri, whose stoppage time goal in the first leg ended a 64-year long wait to register a win in Myanmar, said, "I admit that they had a lot of ball possession. They kept us under tremendous pressure throughout. But at the end of the day, we took all three points.
"I will any day take three points at the end, no matter who has more ball possession."
Referring to the Myanmar coach's comments that he's ready to provide Chhetri with a Myanmar passport, he quipped: "Let's not take away the credit from our defenders. As I remember we defended for most of the time and they carried out the job with utmost precision.