Well, you're right about him being unavailable most of the time. I got a pair of bookshelves made last year. It took quite a while for me to go collect them from him, as I was busy. But he was kind enough to keep them well packed for me.
We had a discussion, too, especially about bracing. He seemed knowledgeable and told me my speakers will have adequate bracing. My speakers are 12 kg/piece and super solid (8 inch drivers). I have not gotten a chance to see the innards of my speakers, though.
He prefers affordable range of drivers. He suggested Dayton, SB Acoustics & Dooge. I settled with HiVi. I know drivers are only one link in the process of making a good speaker.
Most of his customers are local theaters. I asked about making a floor stander for me. He said he is too busy to take up new orders. The man has his hands full. That could be one of the reasons for his disinterest in customers like you and me, lol.
Do you know anyone else in Kerala?