Garg ji
Tree of heaven name actually belongs to Ailanthus altissima (Mill.) Swingle (Syn: A. glandulosa Desf. The Indian plant A. excelsa is better known as Indian Tree of heaven.
My information based on Useful plants of India by CSIR gives these names:
Adhatoda vasica: Sans: vasaka; Guj: Alduso
Ailanthus excelsa: Madala; Guj: ardusi;
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Dr. Gurcharan Singh
Retired Associate Professor
SGTB Khalsa College, University of Delhi, Delhi-110007
Res: 932 Anand Kunj, Vikas Puri, New Delhi-110018.
Phone: 011-25518297 Mob: 9810359089
http://people.du.ac.in/~singhg45/