"We are very disappointed and not in a mood to speak on the family's Pakistan visit," the relative told PTI.
"I can't talk more as this is an international issue and being handled by the Indian government. If we speak something about it, that may hamper the process," he said.
Jadhav's mother Avanti and wife Chetna were in Pakistan yesterday to meet him, but the meeting took place with them being separated by a glass screen.
The relative said he was "horrified" on learning that Pakistani officials had removed 'mangal sutra' and bangles of Jadhav's kin before allowing them to meet him.
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"Even the 'bindi' on the forehead of Kulbhushan's wife was not seen while they were meeting him," he said.
Jadhav, 47, who was captured in March last year, was sentenced to death by a Pakistani military court for alleged spying, an accusation India has dismissed as concocted.
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