Mahindra and Mahindra on Thursday announced the sale of its vehicle service business, Mahindra First Choice to TVS Automobile Solutions Pvt Ltd (TASL), part of Chennai-based TVS Group, in a share swap deal. As part of the engagement, M&M will take 2.76% stake in TASL and will invest approximately Rs 35 crore, says VS Parthasarathy, Group CFO, M&M.