Meaning of (निर्देशक तरंगदैर्घ्य) nirdeshak tarangadairghy in english
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(निर्देशक तरंगदैर्घ्य) nirdeshak tarangadairghy
No of characters: 20 including consonants matras.
Transliteration :
nirdeshaka tara.ngadairghya