Fig. S1 (A) SEM and (B) EDS Output of PM10 at A1 Station ( Dugda Railway Hump Cabin)

Fig. S1 (a) SEM and (B) EDS Output of PM10 at A1 Station ( Dugda Railway Hump Cabin)

Fig. S2 (A) SEM and (B) EDS Output of PM10 at A2 Station (Dugda Recreation Club)

Fig. S3 (A) SEM and (B) EDS Output of PM10 at A3 Station (Dugda Basti)

Fig. S4 (A) SEM and (B) EDS Output of PM10 at A4 Station (Madhuban)

Fig. S5 (A) SEM and (B) EDS Output of PM10 at A5 Station (Sijua Stadium)

Fig. S6 (A) SEM and (B) EDS Output of PM10 at A6 Station (Jogta 14 pit)

Fig. S7 (A) SEM and (B)EDS Output of PM10 at A7 Station (Jealgora Guest House)

Fig. S8 (A) SEM and (B) EDS Output of PM10 at A8 Station (Water Treatment Plant, Jamadoba)

Fig. S9 (A) SEM and (B) EDS Output of PM10 at A9 Station (IISCO-GM Office)

Fig. S10 (A) SEM and (B) EDS Output of PM10 at A10 Station (Transport Office, Patherdih )

Fig. S11 (A) SEM and (B) EDS Output of PM10 at A11 Station (R.S.P. College)

Fig. S12 (A) SEM and (B) EDS Output of PM10 at A13 Station (Hero Honda Showroom, Steel Gate)

Fig. S13 (A) SEM and (B) EDS Output of PM10 at A15 Station

Fig. S14 (A) SEM and (B) EDS Output of PM10 at A16 Station (Bank More)

Fig. S15 (A) SEM and (B) EDS Output of PM10 at A17 Station (Bihar Talkies)

Fig. S16 (A) SEM and (B) EDS Output of PM10 at A18 Station (ISM, Teacher’s Colony)

Fig. S17 Scanning Electron Micrographs of Soot particles (a) and (b)

Fig. S18 Scanning Electron Micrographs of irregular shaped particle s (A), (B) and (C)

Fig. S19 X-Ray Diffractogram of PM10 at Dugda Recreation Club (A2)

Fig. S20 X-Ray Diffractogram of PM10 at Dugda Basti (A3)

Fig. S21 X-Ray Diffractogram of PM10 at Madhuban (A4)

Fig. S22 X-Ray Diffractogram of PM10 at Jogta 14 pit (A6)

Fig. S23 X-Ray Diffractogram of PM10 at Water Treatment Plant, Jamadoba (A8)

Fig. S24 X-Ray Diffractogram of PM10 at IISCO-GM Office (A9)

Fig. S25 X-Ray Diffractogram of PM10 at R.S.P. College (A11)

Fig. S26 X-Ray Diffractogram of PM10 at Lodna Thana (A12)

Fig. S27 X-Ray Diffractogram of PM10 at ISM Gate (A14)

Fig. S28 X-Ray Diffractogram of PM10 at Bank More (A16)

Fig. 29 X-Ray Diffractogram of PM10 at ISM, Teacher’s Colony (A18)