Siachen Base Camp is approximately 6 hours drive north from the town of Leh which is in the Indian State of Jammu and Kashmir. It is the Base Camp of Indian Army in the Siachen Glacier region, within Indian territory but "claimed" by the Islamic Republic of Pakistan. The temperature goes down to -50 degrees C during winters. The Indian Army man the Glacier operations from the Base Camp.
References
Siachen Base Camp (India) Wikipedia(Text) CC BY-SA