Good one. I took 2 routes in past to Kalahandi one is from BLR->hyd->suryapet->MOTU->MALKANGIRI->KALAHANDI and another one to BLR->hyd->Warangal->Jagdalpur->KALAHANDI. Both these roads are scenic. You can explore once.
Bhai mui Hyd ru regular Nagpur root ru Sambalpur jayesi. But ebe ghar jibar ache bale warangal root nu jimi bhabuche. Please tike road conditions bisayare guide kara and Kete safe aaye ee root as majhire jungle road bhi paduche. Please tike guide kara.
Hoo sorry for late reply…. Go via Hyderabad then Bhadrachalam then Malkangiri then Jaipur. I recently came. Drop me ur number on punditashu@gmail.com. . I will call u back