Wanted Wanted seeds of local varieties of watermelon

[bhagyalekshmi]

I'm a student pursuing MSc.Vegetable Science.My research topic is Heterosis studies in watermelon.So I need seeds of local varieties of watermelon.Not hybrids.Since most of the farmers grow hybrids now a days it became difficult to get seeds of local varieties...If anybody has idea where I can get seeds of local varieties please share...Thank you