As you have asked about the dealers for Daikin AC in Mumbai, India, I am mentioning some of them, check below for the details

DAIKIN SHOWROOM,Authorised VRV dealers,Sales & AMC Services in mumbai, Thane , Lonavala & Navsari  
Air Conditioning Contractor
Address: TEAMWORK SERVICES MANSI REGENCY, I C I C Colony,,
Borivali West, Mumbai, Maharashtra 400103
Phone:098204 34616

Absa Enterprises  
Air Conditioning Contractor
Address: Ram Nagar, Ghatkopar Mankhurd Link Road,, Shop No 1737, Jeejabai Bhosle Marg, Lotus Colony, Shivaji Nagar, Mumbai, Maharashtra 400043
Phone:086920 18814

S P Sanghi Airconditioning Pvt Ltd  
Air Conditioning Contractor
Address: Ama House, Behind Strand Cinema, Bhaskarrao Kargutkar Marg, Colaba, Mumbai - 400005
Phone:022 2283 2013

Coolvin HVAC Services  
Air Conditioning Contractor
Address: 17, Liberty Shopping Centre,, Hill Road, Bandra West,, Mumbai, Maharashtra 400050
Phone:022 2640 0280

Vipul Enterprises  
Air Conditioning Repair Service
Address: Sanjay Appt, Shop No. 6,, Sardar Vallabhbhai Patel Rd, Pai Nagar, Borivali West, Mumbai, Maharashtra 400092
Phone:086525 00001

ACME  
Air Conditioning Contractor
Address: 12, Sitladevi Industrial Estate, Mahim West, Mahim, Mumbai, Maharashtra 400016
Phone:022 2445 7277

Daikin Air-Conditioning Service center Solutions  
Air Conditioning Contractor
Address: 49 Raas vihar complex Arihant plaza, Ghodbunder Rd, Panchamrut Society, Thane West, Thane, Maharashtra 400601
Phone:089520 18608

Premium Sales  
Electronics Store
Address: Shop No. 10, Rajesh Building, Opp. Jalpan Restaurant, Eksar Road, Borivali (west), Mumbai, Maharashtra 400092
Phone:080808 00800