Guitars (Electric)
Carnatic music
'87 Fender Stratocaster
Gibson Les Paul Studio

Jazz et al.
Paul Reed Smith Birds inlay Macarty series, Gibson Les Paul Studio, Steinberger Spirit

In addition, Prasanna also uses a couple of Tansen guitars from time to time.

Guitars (Acoustic)
Alvarez Yairi (6 string)
Givson (12 string)

Amps
Fender Blues Deluxe

Jazz/other concerts and venues / studio - stereo configuration with any of these amps
Fender Blues De Ville
Mesa Boogie - I, II, IIC, III, Rocket 44
Fender Blues Deluxe
Fender Deluxe
Matchless HC - 30 and 1*12 cab Fender Vibrolux
Fender Princeton reverb
Ampeg reverborocket Guru

Strings
Electric Guitar
D'Addario light gauge ('10s) mostly

Acoustic Guitar (6 string)
Elixir

Acoustic Guitar (12 string)
D' Addario (light gauge)

Guitar Effects (Processors/Rack Mounts)
Boss GT-8 effects processor
Lexicon Jam Man Looper Delay

Guitar Effects (Pedals)
Jim Dunlop Cry Baby Wah GCB-95
Jim Dunlop Cry Baby Wah 535Q
Digitech Whammy
Digitech loop station
Ibanez Tube Screamer TS-808
Ibanez Tube Screamer TS-9
Tone Bone Hot British
Electro Harmonix Q Tron + Envelope Filter
Boss Dual Overdrive
Boss Compression/sustainer
DOD/Boss Digital delays/reverbs
Boss Flanger
Boss Chorus
Boss Heavy Metal