13. Indus script on Jina images
The majority of the Indus texts begin either with the sign 
, symbolizing ethical expression of penance with renunciation as shown in the seal below, of kayotsargi Jina Rishabh surrounded by the cotton wool plants which grows to human height in one season prior to flowering and fruition. The sign presents the plants as a cup showing leaves and buds as lines projected out at the brim of the cup.
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The second leading sign that is usually seen is that of a spear, which symbolizes self restraint, the basis of penance. That spear is also shown as going through the body, not for suicidal purposes, but for self perfection as above. An ancient image of a Jina in the Muktagiri Jain Tirth is also seen seated on a spear. In all, twenty-five ancient Jina images with Indus texts on them have been noticed so far. Some of them are very interesting, as shown here below:
Kundalpur. Madhya Pradesh. Text in eye-brow
Pajanari, M.P. Text on leg and basis
Anjaneri, Maharashtra. Text on legs
Dongargarh, Chattisgarh. Text on basis
Adinath or Rishabha in Bhavan Gaja, Madhya Pradesh with Indus inscription on his seat
For this image see also Chapter 31-4