Prajnesh Gunneswaran and Ramkumar Ramanathan will lead the singles challenge, while Rohan Bopanna and Divij Sharan will make the doubles pair for the grass court tie.
Bhupathi said AITA did not have the courtesy to inform him that he won't continue as captain.
India will now face world number two Croatia for the Qualifiers in an away tie
Nagal said he would look to play more ATP Tour events this year but for that he would have to first improve his rankings.