Om Sri Hari Satish Ji,
So lovely to see your message. Yes, concentrative meditation is the hardest. But Guruji has made it so eady for us, and BL is a blessing for humanity.
Have you tried mindfulness meditation? You can do that without posture perfection. you can practice it while talking, working, driving... any time. That helps to tame the mind, and builds up foucs and mindfulness from there slowly. That comes handy when you are ready for your Consentrative meditation.
And yes, any effort is a better effort. Keep on adding that to your good Karma account...Cha-ching!
I am sending all my love and respect.🙏💓