The question asks to identify the statement that is NOT a characteristic feature of the Gwalior Gharana, a prominent style in Hindustani classical music.

Understanding Gwalior Gharana Features

The Gwalior Gharana is renowned as the oldest Khayal gharana. It is known for its foundational role in shaping the Khayal genre. Key elements often associated with this gharana include clarity, simplicity, lyrical expression, and a focus on the melodic structure.

Analysis of Options

• Option 1: Use of gamakas - Gamakas, which are melodic ornaments involving oscillations or graces, are integral to Indian classical music, including the styles practiced in the Gwalior Gharana. They are used to embellish the melody, and their presence is a recognized feature.

• Option 2: Khayal should not be dhrupad-based - The Gwalior Gharana's Khayal style evolved from the older Dhrupad tradition. While it developed distinct characteristics, emphasizing lyrical flow and simpler structures compared to Dhrupad, the statement that Khayal *should not* be Dhrupad-based suggests a strict prohibition. Gwalior Gharana Khayal is defined more by its *own* positive attributes (like clarity and lyrical quality) than by a rule *against* Dhrupad influence. It represents an evolution, not necessarily a strict negation phrased as a rule. Therefore, this statement is considered NOT a defining feature.

• Option 3: Very powerful throwing of the voice - Vocal projection and resonance are important aspects of Hindustani classical singing. The Gwalior Gharana emphasizes clarity and a certain fullness in the voice, often described as having good projection or 'throwing' of the voice, contributing to its impactful delivery.

• Option 4: Straight tanas - The Gwalior Gharana is particularly famous for its mastery of tanas, which are rapid melodic passages. These tanas are typically executed with precision, clarity, and speed, often referred to as 'straight' tanas, showcasing the singer's technical skill.

Conclusion on Features

Based on the established characteristics of the Gwalior Gharana, the use of gamakas, powerful voice projection, and straight tanas are recognized features. The statement regarding Khayal not being Dhrupad-based is the one that does not accurately represent a defining characteristic or prescriptive rule of the Gharana.