Yes, you can apply at any time after obtaining your DDS
1. Need to take CBSE examination with goal to hit more than a 70 on the exam
2. Need to fill out PASS/Match application online (this is a yearly application cycle that opens in May and is concluded in January)
3. Hopefully gather interviews from August-January
4. Sometime in January fill out your rank list
5. End of January you will find out if you match or do not match into a program
6. If you do not match into a program, repeat the all steps from step 2 (or step 1 depending on your CBSE score)
For more details, check this website out
accessomfs.com
Best of luck