Among the sites were Chandi Bukit Penjara, Chandi Bukit Meriam where Buddhagupta inscriptions were found, and Chandi Bukit Batu Lintang, where a granite statute of Devarapala was found. The three hills might have functioned as a guard post or lookout post for activities in Merbok Bay and the Straits of Malacca. Meanwhile a gold belt engraved with the kala or sinha mukha symbol, weighing 13.574 kilograms was found in Sungai Terus. Two stone writings or Buddhagupta inscriptions using the Pallava scripts and in the Sanskrit language was found at Guar Kepah, and Cheruk Tok Kun in Bukit Mertajam, Penang were among the important sources uncovered during the research. Other related sites were in Chandi Matang Pasir, Chandi Tikam Batu and other scatted sites along the banks of Muda River, including the remote port of Srokam in Pinang Tunggal.
Among the finds were Buddhagupta inscriptions in Sanskrit using the pallavic script, a Hariti statute, a Buddha's head, a Buddhist votive tablet, a statue pedestal and the head or the stone banister of stairs carved with the symbol of kala or sinha mukha, building materials such as the base of columns, threshold and granite door frame, roof tiles and so on
Broken pottery were made up of the body, base, cover, handle and the spout of vessels was the most dominant artifact. These were of two types: the undecorated and the decorated ones. Its varied decorations pointed to the creativity of the community that used and created them at that time. There were pieces of pottery on which were Sanskrit words written in the Pallava script. This kind of writing could also be found the excavation site at Chandi Bukit Pahat (8A), Mebok , which was usually used for religious ceremonies.
As an early conclusion, the importance of Sungai Mas is duly recognized, but it is important continued research be carried out for the confirmation of facts. Interpretations, based on limited data are very dangerous. This is clear because archeological excavations at sungai Mas had only reached O1 percent of all its historical sites. Many questions remained unanswered, among them was, were the names synonymous with Old Kedah, such as Kataha, Kadaram, Kalagam, Qalha, Kalah, Kaca, Chieh-ch'a located in Sungai Mas? The attack and conquest by Kulotunga Chola 1 in 1025 A.D. that equalize Kataha to Kadaram in Srivijaya; was that Sungai Mas? The success of the conquest was celebrated by the production of tokens with the tiger, bow fish and Sri Chula-narayana emblem