The Income Tax Trekking & Mountaineering Club has been organizing trekking and mountaineering expeditions in the Himalayan region for 25 years. This year, the club is organizing an expedition to [LOCATION] from [DATES] which was approved by the Indian Mountaineering Foundation. Sri [NAME] has been selected as a participant for this trekking expedition and is requesting special casual leave from [DATES] in order to participate.