Step 1: Understanding the Concept:
The question asks to identify a string instrument (Tantri Vadya or Tata Vadya) from the given options, based on the Indian system of instrument classification.
Step 2: Detailed Explanation:
The four main categories of Indian musical instruments are:
- Tantri Vadya (Chordophones): String instruments, like the Veena, Sitar, Violin.
- Sushira Vadya (Aerophones): Wind instruments, like the Flute, Nagaswaram, Shehnai.
- Avanaddha Vadya (Membranophones): Percussion instruments with a skin membrane, like the Tabla, Mridangam.
- Ghana Vadya (Idiophones): Solid percussion instruments, like the Ghatam, Manjira.
Based on this classification, the Veena is a Tantri Vadya.
Step 3: Final Answer:
The Veena is the correct option as it is a string instrument.