Nellore : District Collector R Mutyala Raju directed the officials to speed up works of NREGS and complete them by the end of January. Collector held a review meeting with the officials at his camp office in the city on Monday and warned that they he would take action against errant employees who fail to improve their work. He also expressed his dissatisfaction over the officials for their poor progress in construction of buildings under Panchayat Raj department.