Dear Kunhikannan

Yes, you can surely apply for medical colleges under IPU through AIQ but only with good marks and ranks with proper eligibility.

You can get Delhi seats only through Delhi Category / Quota, if you have studied 10+2 (11th and 12th) classes in the recognized School/College in Delhi and passed the qualifying examination from any School/College located in Delhi  if. The procedure for counselling would be online held by mcc. Below, I am attaching the link which includes the detailed procedure for counselling.

Https://medicine.careers360.com/articles/neet-counselling

Hope this helps you.

Good Luck.