Mumbai, March 18 -- In a series of housekeeping steps, Tata Steel Ltd is streamlining its group structure by merging its numerous domestic subsidiaries into a single entity. At the same time, it is infusing capital in its European units from India to consolidate debt on the books of the operationally robust domestic business.

At the heart of its India play is the merger of Neelachal Ispat Nigam Ltd (NINL) with the parent, a move aimed at streamlining raw material procurement as the steelmaker's lease on captive mines expires in fiscal year 2030 (FY30). The merger was announced on Tuesday.

At the same time, the board approved an equity infusion of up to $2 billion (around Rs.18,500 crore) into T Steel Holdings Pte. Ltd, its Singapore-bas...