Seaweedspecies	Places of occurrence inIndia	Period of occurrence
Gracilaria edulis	Mumbai, Karwar, Goa, Chennai, Tuticorin, Mandapam, Chennai,Andaman-Nicobar	Throughout the year

Table 5.1: Distribution of selected seaweeds in India

(Kaliaperumal N and Kalimuthu S, 1997)

Table 1

Figure 1

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Figure 6

Figure 1: Map showing Gulf of Mannar

Figure 5.2: Graciaria edulis Plant growing in the shallow subtidal

Figure 2: UV- Visible Spectrum of CdS nanoparticle

Figure 3: FT-IR spectrum of CdS Nanoparticle

Figure 4: SEM images of CdS Nps with different magnifications

Figure 5: XRD pattern of CdNPs