IPO - Patent Administration

Kolkata Patent Office

Name and Designation	Telephone No.	E-mail Address
Shri D. K. Rahut Deputy Controller of Patents & Designs	033-23671987	deepak.rahut@nic.in
Shri G. P. Roy Assistant Controller of Patents & Designs	033-23675104	-----
Dr. Amitava Chakraborty Assistant Controller of Patents & Designs	033-23675092	a.chakaraborti@nic.in
Shri T. K. Banik Assistant Controller of Patents & Designs	033-23671943	tushar.ipo@nic.in
Dr. D. K. Chakrabarti Assistant Controller of Patents & Designs	033-23674402	dilip.ipo@nic.in
Dr. S. K. Mitra Assistant Controller of Patents & Designs	033-23677320	susil.ipo@nic.in
Shri Nirmalya Sinha Assistant Controller of Patents & Designs	033-23679101	nirmalyas.ipo@nic.in
Dr. Sukanaya Chattopadhayay Assistant Controller of Patents & Designs	033-23671944	sukanya.ipo@nic.in
Shri Soumen Ghosh Assistant Controller of Patents & Designs	033-23679101	------

Delhi Patent Office

Name and Designation	Telephone No.	E-mail Address
Dr. K. S. Kardam, Deputy Controller of Patents & Designs	011-28034319	kardam.ks@nic.in
Shri S. K. Roy, Assistant Controller of Patents & Designs	011-28034311	sk.roy@nic.in
Shri B. P. Singh, Assistant Controller of Patents & Designs	011-28034321	birendrap.singh@nic.in
Shri Shah Alam, Assistant Controller of Patents & Designs	011-28034314	shahalam.ipo@nic.in
Shri N. R. Meena, Assistant Controller of Patents & Designs	011-28034312	nrmeena.ipo@nic.in
Shri S. N. Sav Assistant Controller of Patents & Designs	011-28034322	snsav.ipo@nic.in
Dr. S. S. Singh Assistant Controller of Patents & Designs	011-28034320	ss.singh@nic.in
Dr. Rajesh Dixit Assistant Controller of Patents & Designs	011-28034313	dixit.rajesh@nic.in
Shri Ashok Kumar Assistant Controller of Patents & Designs	011-28034323	ashokkumar.ipo@nic.in
Shri Naveen Mathur Assistant Controller of Patents & Designs	011-28034319	naveen.ipo@nic.in
Smt. Monika Yadav Assistant Controller of Patents & Designs	011-28034324	ymonika.ipo@nic.in

Chennai Patent Office

Name and Designation	Telephone No.	E-mail Address
Shri K. Venugopal Deputy Controller of Patents & Designs	044-2250 2077	kvenu.ipo@nic.in
Shri V. Rengasamy Deputy Controller of Patents & Designs	044-2250 2080	v.rengasamy@nic.in
Smt. S. Punithavathi Deputy Controller of Patents & Designs	044-2250 2050	spunithavathi.ipo@nic.in
Shri R. Devan Assistant Controller of Patents & Designs	044-2250 2060	d.rajagopalan@nic.in
Shri R. Srinivas Assistant Controller of Patents & Designs	044-2250 2055	srinivasr.ipo@nic.in
Shri T. V. Madhusudhan Assistant Controller of Patents & Designs	044-2250 2054	tvm.ipo@nic.in
Dr. S. P. Subramaniyan Assistant Controller of Patents & Designs	044-2250 2039	spsubramaniyan@nic.in
Shri Soumen Das Assistant Controller of Patents & Designs	044-2250 2081	sdas.ipo@nic.in

Mumbai Patent Office

Name and Designation	Telephone No.	E-mail Address
Dr. Ruchi Tiwari Deputy Controller of Patents & Designs	022-24153651	ruchi.tiwari@nic.in
Shri Rakesh Kumar Assistant Controller of Patents & Designs	022-24156393	rakesh.ipo@nic.in
Shri A. T. Patre Assistant Controller of Patents & Designs	022-24156396	atpatre.ipo@nic.in
Shri N. K. Mohanty Assistant Controller of Patents & Designs	022-24156394	nk.mohanty@nic.in
Dr. B. K. Singh Assistant Controller of Patents & Designs	022-24144525	bksingh.ipo@nic.in
Dr. Dinesh Patil Assistant Controller of Patents & Designs	022-24130755	dppatil.ipo@nic.in