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Two Pataka hands joined at the wrist termed Pallava.

Pallava—the two Patāka hands joined at the wrist.

When the two hands are loosened from the wrists it is called Pallava. 

If the Pataka hastas are moving at the wrists pointing downwards, then it is Pallava hasta.

Pallava: The hands which are in Padmakosa Hasta with the wrists loosely held are pointed upwards or downwards either at the sides or in front.

Pallava: If two pataka hasta (both hands) are kept on separate wrist, it is pallava.

Pataka hastas are brought to the shoulder in vyavartana and in parivartana moved to cross at the wrist, to be held steadily. This forms pallava hastas, as said by scholars. A few suggested tripataka hastas.

If the two Padmakosas are obliquely placed in the front at a distance from the heart like two trees rich with foliage, it is Pallava hasta

Pallava is opined to be formed by slackly held svastika hands facing downward.

When the arms are [first] moved in vyavartana upwards and extended and then turned back in parivartita with patāka hands crossed in svastika, it is known as pallava. Some say that tripataka hands are loosened [at the wrists] in pallava. [Yet] some others say that hands either in patāka or in padmakosa are loosened [at the wrists] and moved up and down at the sides or in front of the elbows in pallava.