Option 1: INS Ganga and INS Nipat

Option 1 is not the correct answer. As per the information provided in the question, the Indian Naval Ships decommissioned in June 2022 are not INS Ganga and INS Nipat, but a different set of ships.

Option 2: INS Nishank and INS Akshay

Option 2 is not the correct answer. The question specifies that the ships decommissioned in June 2022 are not INS Nishank and INS Akshay.

Option 3: INS Khukri and INS Sandhayak

Option 3 is not the correct answer. The question does not mention INS Khukri and INS Sandhayak as the ships decommissioned in June 2022.

Option 4: INS Gomati and INS Ranjit

Option 4 is the correct answer. According to the information provided in the question, the Indian Naval Ships decommissioned in June 2022 are INS Gomati and INS Ranjit. These two ships have been taken out of service and are no longer operational.

In conclusion, the correct answer is option 4: INS Gomati and INS Ranjit.