1) Dhak Bahiri Caves - i just completed my trek to Dhak Bahiri caves its located near Pune,it was sunny day and too too hot this clicks shows you the beauty of sahyadri mountains
2) Dhak Fort -this is one of the forts of Maharashtra its located near caves the road to reach at fort so scary always heavy winds was there its to difficult to climb
Thanks for your question yes this is really caves there a stone constructed we climbed that rocks and reach there ,this caves not look like other caves its only stone big stone