"The two matches would immensely benefit our quest to maintain an all-win record in the Asian Cup Qualifiers," Constantine said.
India will play the tri-series between August 19 and 24 in Mumbai.
India are on top of AFC Asian Cup qualifying Group A at the moment, courtesy back to back victories over Myanmar and the Kyrgyz Republic.
"Qualification to the 2019 Asian Cup stays the priority. It will be nice to work with the boys again. They will be coming after a long break.
India are currently placed 97th in the FIFA rankings after 13 victories in the last 15 matches (including the unofficial match against Bhutan). The team has actually moved up 76 places since March 2015.
India were ranked 171 when Constantine took over as the for the second time in February 2015 and slipped further to 173 in March 2015.
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