The electrical current in India is 230-240 volts. AC 50 Hz through out the country. There are many types of plug and sockets in use. You may need a plug adapter kit for you electric shaver or other appliances in case of any difference in electric current in your country. It is better to take extra batteries for digital products like camera, mobiles phones, etc as there may be electricity problem in Ladakh. It is advisable to charge them fully before leaving for the tour. At some remote places, you may not get electricity and also because of the cold, the batteries get discharged soon.