No proof of life. Why has Imran not been allowed visitors for weeks? And should India be worried?

Nobody from the family and party has been allowed to meet the former Pakistan prime minister for six weeks now. Imran’s son has now posted on X his concern about his father’s safety. Jail authorities say he's well but why are they then not allowing any visitors?

No proof of life. Why has Imran not been allowed visitors for weeks? And should India be worried?
Nobody from the family and party has been allowed to meet the former Pakistan prime minister for six weeks now. Imran’s son has now posted on X his concern about his father’s safety. Jail authorities say he's well but why are they then not allowing any visitors?