Jewellery and gold in all its kind purchased out of disclosed income or legally inherited from ancestors just isn’t chargeable to tax, mentioned Finance Ministry. Latest crisis motivated a variety of studies that have focussed on co-movements in financial markets as phenomena which might be characteristic of economic crises and that replicate systemic threat in financial techniques 19 , 20 , 21 , 22 , 23 , 24 Harmon et al. 22 reveal that the last economic crisis and earlier massive single-day panics had been preceded by extended intervals of high levels of market mimicry, which is direct evidence of uncertainty and nervousness and of the comparatively weak influence of external news.\n\nKennet et al. 23 define an index cohesive drive (ICF), which represents the steadiness between stock correlations and partial correlations after subtracting the index contribution, and reveal that financial markets transitioned to a threat-inclined state at the end of 2001 that was characterised by high values of ICF.\n\nThe concept of cohesiveness as a measure of reports importance is easy: if many sources report the same events, then the high number of stories should replicate the event’s importance and correlate with the principle developments in financial markets.\n\nThe total taxonomy of entities is on the market in Section 3 of the Supplementary Data We start with the definition of an incidence, which determines whether some entity is present in some document, regardless of how many instances it occurs in the document.\n\nThe matrices U and V are unitary matrices of the left and right singular vectors of matrix A, and S is a diagonal matrix with singular values σi of A. Observe that the NCI index is a characteristic property of the corresponding document-entity matrix as a result of it is calculated from its singular values σi.