Tender For corrigendum : one time improvement bypassed stretches of mulakalacheruvu, burakayalakota and angallu (from km 204/610 to 20/480, 216/650 to 217/950 and km 234/700 to 238/600) of mulakalacheruvu-madanapalle section of nh-42 in the state of andhra pradesh under annu