Ex-Muslim Sahil और Adam Seeker के साथ Islam पर गुफ्तगू Jihad in Islam Sanjay Dixit

Ex-Muslim Sahil and Adam Seeker explain for dummies the various types of Jihad. Is jihad mandatory, is there lesser and greater jihad, are there different forms of jihad for territory, wealth, women, etc. What is Ghazwa-e-Hind and Ghazwa-e-Alam?