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The purpose of this paper is to study the structure‐activity correlation of four medicinal plants – Ocimum basilicum L., Piper betle L., Grewia asiatica L., Lantana camara L. in crude methanolic extract. These plants have been used in Ayurvedic preparation as alternative medicine. The contents of phenolic compounds (flavonoids, anthocyanin) and antioxidant capacities were evaluated.

Folin‐Ciocalteu method was used for the analysis of the phenolic compounds. Total flavonoids were also evaluated. DPPH, ABTS+, FRAP and H₂O₂ assays were used to evaluate antioxidant activity. Most of the assays were determined spectrometrically.

O. basilicum L. had the highest of total phenolics content (305.11 mg GAE/g), highest content of anthocyanins (15.427 mg/Kg) and total flavonoids (9.692 QE mg/g). The DPPH, ABTS+, FRAP and H₂O₂ assay indicated that these plants possessed considerable antioxidant activities.

The results also showed that O. basilicum and L. camara from red colored cultivars possessed high contents of phenolic compounds. FRAP assay showed AOA in the following sequence – Lantana camara>Ocimum basilicum>Piper betle>Grewia asiatica. Since L. camara showed highest antioxidant capacity thus it can be a potential resource for commercial antioxidant.

Entrepreneurship, Strategic Marketing, Retail Management.

It may be used in marketing/strategy/organisation behaviour courses of MBA programmes as well as in specific executive education programmes dealing with business strategy, sales and marketing, entrepreneurship and organisation behaviour.

In 2002, Rajan Chhibba co-founded Intrim Business Associates (IBA), a niche strategy consulting firm in India. IBA pitched for a consulting assignment for retail strategy/implementation with a steel manufacturer in India, where they were pitched against a large global consulting firm. After conducting a diagnostic study and reaching a stage where IBA had almost got the project, the client put forth a demand which was make-or-break for IBA. The case puts forth the questions faced by Rajan Chhibba at the time of replying to the client: How was IBA different from global consulting firms? Was IBA willing to compromise on quality of the project to reduce costs? Was reduction of price the only option for getting the project? What factors should Rajan Chhibba consider before making his final pitch?

This case may help students to: appreciate an entrepreneur's smart strategy up against formidable competition, analyse the resources crunch an entrepreneur faces and how he overcomes them, understand how organisations learn from their experience and appreciate the challenges in a competitive environment.

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The purpose of this research article is to explore the behavioural intention of consumers to use app-based shopping for green-tech products in the emerging economy of Bangladesh. The study investigates the indirect effects of perceived ease of use, usefulness, perceived delivery and perceived security on the behavioural intention to use app-based shopping for purchasing green-tech products by considering the mediating role of perceived trust.

A quantitative research approach was applied to collect data from the respondents who had previously used app-based shopping for green-tech products in Bangladesh. An online, self-administered survey questionnaire was used to collect data from 348 respondents. The survey data was analysed using SmartPLS-4 to measure the reliability and validity of the constructs. In addition, partial least squares structural equation modelling (PLS-SEM) was employed to test the research model and hypotheses.

The study's results reveal that perceived usefulness, ease of use, security and delivery positively and significantly influence perceived trust, leading to a higher behavioural intention to use app-based shopping for green-tech products. Additionally, perceived trust significantly mediates the relationship between the behavioural intention to use app-based shopping and perceived usefulness, perceived ease of use, perceived security and perceived delivery.

The study's findings have important implications for app-based shopping services to support customers interested in purchasing green-tech products in an emerging economy. The results also indicate that green-tech product companies must adopt new service delivery channels and ensure consumers' convenience and cost and time savings. The present research findings suggest that green-tech product companies need to ensure that they integrate digital technologies into their services for secure and timely delivery of products, improving customer convenience.

The study's findings can be insightful for app-based shopping service providers to foster their businesses by focussing on developing a positive trust perception in the consumer's mind, leading to a positive intention to use the app-based shopping services. The present study will enrich the current literature by investigating how consumers' perceived trust affects their behavioural intention to use app-based online shopping for purchasing green-tech products. It will also expand the existing knowledge on app-based shopping by exploring how perceived delivery impacts perceived trust, which subsequently affects customers' intentions to adopt the purchase of green-tech products.

Laser land leveling (LLL) is a climate-smart technology that improves water use efficiency and reduces risk in crop cultivation due to weather variability. Hence, this technology is useful for cultivating water-intensive crops in a sustainable way. Given this background, the state government of Karnataka initiated to promote LLL in drought-prone districts and selected Raichur district for implementation. Moreover, farmers in this district had observed drought situation during monsoon paddy growing season in 2018. Therefore, this study attempts to investigate the importance of LLL technology for paddy cultivation under drought conditions.

A primary survey with 604 farmer households had been conducted in Raichur in 2018. Among them, 50% are adopters of LLL who have been selected purposively and rest 50% are non-adopters who have grown paddy in the adjacent or nearest plot of the laser-leveled plot. The adoption and causal impact of LLL has been estimated using propensity score matching, coarsened exact matching and endogenous switching regression methods.

The result reveals a positive and significant impact of LLL on paddy yield and net returns to the farmers. The results indicate an increment of 12 and 16% in rice yield and net income, respectively, for LLL adopters in comparison to the non-adopters of LLL.

The major limitation of the study is that it does not adopt the method of experimental study due to certain limitations; hence, the authors employed a quasi-experimental method to look at the possible impact of adoption of LL.

There have been various agronomic studies focusing on the ex-ante assessment of the LLL. This study is an ex-post assessment of the technology on the crop yield and farmers' income in a dry semi-arid region of India, which, according to the authors, is the first in this approach.