[1] He holds the current national record in 110 m hurdles with a time of 13.48 seconds, set at Altis Invitational Meet, USA in June 2017.

Currently Siddhanth is being trained by Gary Cablayan, who is a certified USA track and field coach in the sprints, hurdles and relays.

He expertise in elite speed specialist and has been training many NFL players like DeSean Jackson and John Ross (American football).

He has also coached two Olympians Olutoyin Augustus from Nigeria and Kenneth Medwood from Belize Thingalaya improved his personal best timing to 14.20 seconds in the heats of men's 110 m hurdles during the 50th National Inter-State Athletics Championships held in Patiala.

In the finals, on 7 August 2010, he broke the Indian National record (held by K. Krishna Mohan) by clocking 13.81 seconds while winning the gold.