You can bring offerings - bhiksha hundi, (3 coconuts wrapped each in a black cloth, a fistful of black sesame seeds in black cloth) or you can buy offerings in Shivanga Yatra Stall which will be there at the venue mentioned above.
Bring Torch Light, Reusable Water bottle, Knee Cap and Pain Balm or Spray or you can buy them in Shivanga Yatra Stall at the ashram.
Bring blankets, toiletries, Sweater, Towel, etc.
Bring medicines if you are on any medications.