Singh's wife Sukhpreet Kaur, his teenaged daughters Swapandeep and Poonam, besides Dalbir Kaur went to Lahore to meet the Indian national for the first time in 18 years.
Nepal will, however, seek help from India and China for getting crucial data for the exercise.
Theory states that fermions with a weak interaction should pair up at the temperature at which they become superconductive.
The alleged incident took place on the night of December 19, said Thane Superintendent of Police (Rural) Mahesh Patil.
Syed Abdul Raheem Fahad, who was studying in Auckland, New Zealand, also worked as a part-time taxi driver there, his family members said.
In a meeting described as a "grand gesture" by the Pakistan government on the birth anniversary of Muhammad Ali Jinnah, Jadhav, who Islamabad claims is an Indian spy, came face to face with his 70-year-old mother Avanti and wife Chetankul after a gap of 22 months.