According to Section 5(1)(a) of the Citizenship Act, Sri Lankan nationals may register as Indian citizens. The 1955 Sh. A.T. Sundrum case illustrates this. Government of Tamil Nadu representatives Smt. A.T. Balamani Sundrum and her son A.S. Kuppusamy Mylwaganan

Keywords	Shri A.T. Sundrum Madras
Ministry/ Department/ Residency	Ministry of Home Affairs
Branch	Indian Citizenship IV
From Year / Date (YYYY-MM-DD)	1990
To Year / Date (YYYY-MM-DD)	1990
Source Organization	NA
Identifier	PR_000006014561
File No./Reference No./Sheet No./Folio No.	26013/48/90-IC-IV
Location	Repository-4
Part No.	NA
File Size	56.4 MB
Pages	104
Collection	Digitized Public Records Ministry of Home Affairs
Call Number	NA
Publisher	NA
Subject	NA
Creator	NA
Accession Number	NA
Series	NA
Year of Publication	NA
Language	English
Bundle Barcode	NA
Location Code	NA
File Barcode	NA