Vinayaditya followed his father, Vikramaditya I

Vikramaditya I

Vikramaditya I was the third son and followed his father, Pulakesi II on to the Chalukya throne. He restored order in the fractured kingdom and made the Pallavas retreat from the capital Vatapi.-Early crises :...

 on to the Chalukya throne. His reign was marked by general peace and harmony. He earned the titles Yuddhamalla, Sahasarasika, Satyashraya.

Northern expedition

Inscriptions speak of many victories to Vinyaditya. He had fought alongside his father against the Pallavas. According to the Jejuri record of 684, he defeated the Pallavas, Kalabhras

Kalabhras

The Kalabhras dynasty ruled over the entire Ancient Tamil country between the 3rd and the 6th century in an era of South Indian history called the Kalabhra interregnum. The Kalabhras displaced the kingdoms of the early Cholas, early Pandayan and Chera dynasties. Information about its origin and...

, Keralas and the Kalachuri

Kalachuri

Kalachuri Empire is this the name used by two kingdoms who had a succession of dynasties from the 10th-12th centuries, one ruling over areas in Central India and were called Chedi or Haihaya and the other southern Kalachuri who ruled over parts of Karnataka...

 of central India. from the Kolhapur plates of 678 he defeated the kingdoms of Lanka

Lanka

Sri Lanka is the name given in Hindu mythology to the island fortress capital of the legendary king Ravana in the great Hindu epics, the Ramayana and the Mahabharata...

 and Kamera which according to Dr. S. Nagaraju was Khmer or Cambodia. The Vakkaleri plates confirm the Chalukya levying tribute on Kamera, Lanka and Parasika (Persia).
According to Dr. Sircar, it is very possible that the chiefs of Lanka and Persia may have sought protection from the Chalukya, considering the unstable political situation in those countries. During this time, Persia was under Islamic invasion.

Vinayaditya sent an expedition to the north under the command of his son Vijayaditya

Vijayaditya

Vijayaditya followed his father, Vikramaditya I on to the Chalukya throne. His long reign was marked by general peace and prosperity. Vijayaditya also built a number of temples....

. According to some accounts, Vijayaditya was captured and held prisoner and after a period of incarceration, escaped and returned to the Chalukyan kingdom to be crowned the monarch of the empire.

We do not have any further information on this expedition. Vinayaditya sent an ambassador to the Chinese court in 692.

Vijayaditya succeeded his father in 696.