US-India Business Council has expressed concerns over proposals to restrictions on US business and work visas being considered by a group of Senators. It said the provisions would hit Indian companies and thwart the India-American trade relationship.In a letter to the bipartisan group of eight Senators, who are working on the negotiations for a comprehensive immigration reform, the council has opposed several provisions of the proposed bill, which it believes, if implemented, would end up targeting Indian companies.USIBC President Ron Somers wrote in the letter to Senators "Our greatest concern centers on proposals that would preclude access to visas or impose unworkable visa-related restrictions and fees on a company's ability to sponsor H-1B and L-1 visas based upon their business model or the composition of its local workforce.