*Publication and Indexing:Accepted full papers of SPRA 2021 will be published in the conference proceedings, which will be indexed by Scopus, Ei Compendex, etc.SPRA 2020 proceedings, ACM (ISBN: 978-1-4503-7762-1),Scopus & Ei Compendex index. *Submission:By online submission system: http://confsys.iconf.org/submission/spra2021