Submit travel grant application to HEC. They will provide all the money including Accommodation, Conference registration, daily allowance and Air tickets.
No. Whenever HEC approve the grant they always Pay.
Most recently I got a travel grant for Dubai and I am traveling in Feb. Even my University Paid me 80% of the total amount in advance in response to HEC letter.
Sugarcane Research and Development Board Punjab-Pakistan can also facilitate for Travel Grant....Its really new idea and organization that can support, just few days before I was confirmed............
You can visit this page for complete detail. List of Travel Grants for Conferences (https://www.saveandtravel.in/travel-grants-for-conferences/). Good luck.