Binay Kumar

Learn More
BACKGROUND In 2004, Afghanistan pioneered a balanced scorecard (BSC) performance system to manage the delivery of primary health care services. This study examines the trends of 29 key performance indicators over a 5-year period between 2004 and 2008. METHODS AND FINDINGS Independent evaluations of performance in six domains were conducted annually(More)
OBJECTIVE To examine historical estimates of infant and under-five mortality in Afghanistan, provide estimates for rural areas from current population-based data, and discuss the methodological challenges that undermine data quality and hinder retrospective estimations of mortality. METHODS Indirect methods of estimation were used to calculate infant and(More)
Availability of groundwater varies spatially and temporally depending upon the terrain. The scarcity of water affects the environmental and developmental activities of an area. Continuous failure of monsoon, increasing demand and over exploitation leads to depletion of ground­water level. This problem could be sorted out to certain extent by artificially(More)
This investigation deals with single server queueing system wherein the arrival of the units follow Poisson process with varying arrival rates in different states and the service time of the units is arbitrary (general) distributed. The server may take a vacation of a fixed duration or may continue to be available in the system for next service. Using the(More)
Compromising databases of servers of a login system result in successful theft of login credentials. Storage of these credentials as part of the authentication system makes a login system vulnerable for the theft. Various types of malicious activities have led in revealing this pair of information which attack on the stored database. We propose a novel(More)
Inferior vena cava agenesis (IVCA) is a rare congenital anomaly that can be asymptomatic or present with vague, nonspecific symptoms, such as abdominal or lower back pain, or deep vein thrombosis (DVT). Here, we present a 55-year-old male who came with painless swelling and redness of his left lower limb. On examination, swelling and redness were noted(More)