Sudershan has undergone skill development training for maintenance of electronic items, from an institute started under the 'Skill Development Mission' by the Government of India. He wants to start his own small business in his locality with ₹ 1,00,000 given by his father as capital. He himself wants to manage and control this business, employing some assistants, if required. Out of the following, suggest the form of business organisation he can adopt.