How many 'rat-hole miners' were awarded the 'Sarvottam Jeevan Raksha Padak' for the Silkyara Tunnel rescue operation?

Union Minister Nitin Gadkari awarded the 'Sarvottam Jeevan Raksha Padak' to 12 rat-hole miners for their courage and selfless service during the Silkyara Tunnel rescue operation. The 'Jeevan Raksha Padak' is awarded to individuals who display courage in saving human lives and comprises three categories: Sarvottam Jeevan Raksha Padak, Uttam Jeevan Raksha Padak, and Jeevan Raksha Padak.