We have experienced and qualified Brahmin Priests (Pandit ji) to perform these spiritual rituals with utmost devotion. You don't have to worry about anything as Kaalsarp pooja vidhi is done by as per shastra.
No, Anyone Can do this kaalsarp puja.
Trimbakeshwar Temple located in Nashik, Maharashtra. It is one of the tweleve Jyotirlingas and the source of Godavari River.
Another Place is Mahakaleshwar temple in Ujjain. this is also one of the Jyotirlingas. and the Kunda of this temple is very celestial that fulfills the wishes of all devotees.
Omkareshwar Temple is also there to perform kalsarp puja which is situated in Indore. this temple considered as a sacred island of Lord Shiva.
This might differ from place to place and totally depend on pandit ji.
You can chant Naag Gayatri Mantra, Mahamrityunjay Mantra. Perform Kaal sarp dosh nivaran puja. keep fast on nag panchami day.
A partial kaalsarp yog is formed when in auspicious like Mars and Saturn are positioned on the opposite side of "Rahu" & "Ketu". The effects of Partial Kaalsarp yog are not as adverse as the complete kalsarp yog.
"Om Bhjangeshaaya Vidmahe, Sarprajya Dhimahi, Tanno Nagah Prachodayat"
i. you must have to contact pandit ji before pooja or when you reach at trimbakeshwar.
ii. While performing puja, you must have to wear new cloths and after that leave it to pooja place.
iii. after kalsarp pooja vidhi, don't stay at your relatives/friends house. straight go to your office.
iv. a person who performed pooja has follow rules & restrictions given by panditji for at least 6 month.
Unstable life, long term Health issues, no mental peace, unhappy married life, Financial difficulties.