Hello sir,
There is a place called as Arabhavi,Gokak (Tq),Belegaum (dist) it is 60 km from belegaum there one Kittur Rani Chennamma college of Horticulture, is located there you will get different vairiety but not hybrid to my knlowdge there are no hybrids in jamun and also one more place Dupdal near gokak there also it is available.