Thanks. Was going through the site and came across chapter 84 section 71 that also looked relevant and suggests the duty should be 0.

I know someone who imported L3+  in july end had to pay approx 60+ K to DHL that included 40+ custom duty , 10K penalty and 5K fine (the penalty and fine were for slight mismatch of total value of miner that bitmain quoted on the box to the value in invoice and for using dummy IEC as he was importing as an individual - Delhi customs) and 5k handling fee to DHL.