Mumbai, Dec 22 (ANI): Expecting massive turnout in Mumbai rally of Bharatiya Janata Party (BJP) prime ministerial candidate Narendra Modi, police personnel have set up a seven-tier security cover for the same. Commissioner of Police Satyapal Singh said that the Mumbai police have introduced strict security measures. "For the first time ever, from where the Mumbai city starts till the venue of the rally, we have set up seven-tier security checks," said Singh.