[luspikals]

The "or" clause in item 4 is only a second best, I feel; the "and" clause is better. Exchange of houses in navamsa is also a possible link. though we may extend this to all the house division charts upto shashtyamsa chart, I feel it is futile to go beyond dasamsa even for research purposes, and, for day-to-day practice, limit this to navamsa.

I got it thoroughly about your observations and comments on my 4th point. The rest of your points are value addition to my learning...Thank you sooo much Sri Sangom