Need help in finding chords for "Yelay Yelay Maruthu" from movie "Pandiyanadu"

I tried and came to a decision that its in Em scale..the chords used are Em, Am, G, D...Am i correct?

 

tabs for this song :

yelay yelay maruthu
-3-2--3-2---3-2-3-

Iva enda ooru karuthu
0---3-2--3-2---3-2-3-

Paaru parru thanga theru theru
-4-3--4-3-----0-----4-3--4-3

Mela maasi veedhi varuthu..
--2-------3--3--3-2-3-2-3-

try out & correct my mistakes....

 

hi... anybody tried these tabs. thappu nu sollunga....

 

Friends,
I have posted the chords for this. Please try and let know if it sounds good
https://indianguitartabs.com/f20/chords-yelae-yelae-marudhu-pandiya-naadu-2013-a-56876.html

As far tab goes, I feel the tabs are in a different scale. I would play this on the B string starting at 13th fret.
Our Sathya Sir is tabs expert, hope he gets time to validate.
The intro is nice.
Rajesh