Guruji Sri Narendra Babu Sharmaji asked a caller to recite the following mantra daily 11 times to overcome hurdles.
Takshanam Kaaliyam Thada
Sayam patenityam prathakaale visheshita
Tasya vishabhayam naasti sarvatra vijayaa bhaveth
The sloka means – the above mentioned 9 Naga devatas are most auspicious and important serpent gods.