Tata Capital, the private equity arm of the Indian conglomerate Tata Group, has received approval from the Competition Commission of India to acquire a 17 percent stake in India-based lubricating grease manufacturer Standard Greases & Specialties. The transaction will be structured through Tata Capital Growth I and Alpha TC Holdings, a fund backed by Japan-based investment bank Mizuho Securities and managed by Tata Capital. Financial details of the transaction were not disclosed.