Sa' ni Dha Pa ma ga Re Sa
D C B A G F E D ( Here instead C# only C) for descending
But with Above All you must cover the lead the way it played originally as many as you can. Go For Again YouTube. Play as it is and get Inspired to do something unique.
Some YouTube Tutorials that might Help you. For learning the guitar techniques mentioned above. Because it helped me a lot.
Chandresh Kudwa's The Guitar Thing. Go through this YouTube Channel. Especially Rock Legato licks which helpful in acoustic, too. He is amazing leading guitarist of India
Tamal Gosh's Tams Guitar Go through lots of tutorials as more as you can. Many tutorial he has illustrated wonderfully. Probably the best YouTube Channel for Learning Indian song. I was using this about an year ago.
So enjoy Music and Enjoy Life! God is great!