Prof. Keitaro TAKAHASHI (FAST/IROAST International Joint Research Faculty Member) and Dr. Nobleson KUNJAPPY (IROAST Postdoctoral Researcher) participated in the Busy Week event by the Indian Pulsar Timing Array (InPTA) in Chennai, India, from February 5 to 9, 2024. The event was attended by 33 people, including 5 from Kumamoto University (2 of whom were from IROAST), who reported, discussed, and shared information on the status of ongoing projects. In addition, each day there was a seminar by distinguished researchers in related fields. It was a very enriching experience, and all participants left with renewed enthusiasm for their research progress toward achieving their goals.