Sand fly collection and density measurement For the entomological activities for objective 2 and objective 3 HH head will be informed and his/her informed, written voluntary consent will be obtained before the start of any activities. HH head and members will be requested one day before by the research team to make space for conduct installation of DWL / wall paining with Inesfly by removing materials including furniture to a safe place. They also will be informed that for entomological activities i.e. for collection of sand fly by CDC light trap research team will visit the HH for two consecutive days as on day one they will visit in the evening to place CDC light trap in a corner of the main room and to take it out on the following morning. As sand fly collection will be done before intervention and at 1 month, 6 months and 12 months after intervention research team will visit the HH 4 times for sand fly collection. In addition to conduct the WHO Cone bioassay test which will be done again at 1 month, 3 months and 12 months since intervention the HH will be visited again 3 times by the research team.