Ajinkya Rahane & Virat Kohli were key behind India’s success in Test format. The safest pair of hands in the slips and my favourite Test batting partner. The safest pair of hands in the slips and my favourite Test batting partner. Ajinkya Rahane announced his retirement from all formats on July 30. Who is Virat Kohli’s favourite Test batting partner? Ajinkya Rahane is Virat Kohli’s favourite Test batting partner.