Original Sanskrit names

[Samar Abbas]

On Thu, 27 May 1999, Vishal Agarwal wrote: (some examples of town names)
> Lahore = Luvapura, Kasur (in E. Punjab) = KushAvati, Jammu = Jambu
> Aligarh = Koil, Agroha= Agreya, Ahmadabad= KarnAvati, Jabalapur=
> JAvalipura, Bharucha = Bhrgukaccha, Ujjain = Ujjayani or Avantika
> Patna = PAtaliputra, Sitapur = Naimisharanya, Gwalior = Lashkara

Which N.Indian place-names can be traced back further to their Dravidian
roots ?

eg. Dravid. Kongu or Kongo -> Sans. Ganga; Dr. Hariyupiyah -> Pkt. Harappa

Maybe some of the noted Dravidologists on this list ( Chandrasekaran,
Ganesan, et al.) can shed more light on this.
                                                            - Samar