CHENNAI/BENGALURU, June 8 (Reuters) – From smaller packs on shelves to higher prices at checkout, Indian companies are ​scrambling to protect their margins as surging oil, freight and insurance costs – and strained household budgets – pile on pressure. The ‌U.S.-Israeli war on Iran has disrupted trade routes and lifted input costs globally, hitting import-reliant economies like India harder, where a weaker rupee is adding to inflation and complicating pricing decisions as demand remains uneven. “We are among the world’s most vulnerable countries,” economist Jayati Ghosh said, warning higher oil and fertiliser costs, weaker Gulf demand, softer ​remittances and potential