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Kolkata Patent Office - EPBAX No. 033-23679101

Sr. No. Name Designation Phone No. E-mail
1 Sh. G. P. Roy DC
GL- E&G-Group-4
23675104
Extn.-2149
gautam.ipo@nic.in
2 Dr. Amitava Chakraborti DC
and HEAD OF OFFICE and Appellate Authority RTI
23671987
Extn.-2401
a.chakaraborti@nic.in
3 Dr. D. K. Chakrabarti DC
GL- E&G-Group-1
23674402
Extn.-2226
dilip.ipo@nic.in
4 Sh. Nirmalya Sinha AC,
GL- E&G-Group-3
23677830
Extn.-2815
nirmalyas.ipo@nic.in
5 Sh. Sanjay Bhattacharya, AC,
E&G-Group-3
Extn.-2304 bsanjay.ipo@nic.in
6 Dr. Sukanaya Chattopadhayay AC,
I/c DESIGN OFFICE
23671944
Extn.-2824
sukanya.ipo@nic.in,
controllerdesign.ipo@nic.in
7 Sh. Pramathesh Sen AC,
E&G-Group-4
Extn.-2412 p.sen@nic.in
8 Sh.Santanu Dey AC,
E&G-E&G-Group-4.

Extn.-2214
santanu.dey@nic.in
9 Sh. Sudip Jyoti Sahu AC,
Incharge - RECS Section
23674401
Extn.-2050
Sudip.ipo@nic.in
10 Sh. Madhurjya Thakur AC,
DESIGN OFFICE
Extn.-2410 madhurjya.ipo@nic.in
11 Sh. Soumen Ghosh AC,
GL- E&G - Group-2
Extn.-2307 soumen.ghosh@nic.in
12 Dr. Jitendra Kumar Pradhan AC,
E&G-Group-1
Extn.-2221 jkpradhan.ipo@nic.in
13 Sh. Sujoy Sarkar AC,
E&G-Group-3
Extn.-2816 ssarkar.ipo@nic.in
14 Dr. Sharmistha Ghosh AC
Incharge-RMID Section (RO-PCT)
23671946
Extn.-2073
sghosh.ipo@nic.in
15 Sh. Bhaskar Ghosh AC,
E&G-Group-1
Extn.-2218 bhaskar.ipo@nic.in
16 Sh.Jayant Anand AC,
Incharge- GPM Section and CPIO
23675092
Extn.-2072
jayant.anand@nic.in
17 Sh. Parijat Saurabh, AC,
E&G-E&G-Group-3
Extn.- 2303 parijat.ipo@nic.in
18 Dr. Abhijit Das AC,
E&G-Group-2
25300334 abhijit.d@nic.in

Delhi Patent Office - EPBX-011-25300200

Sr. No. Name Designation Phone No. E-mail
1 Dr. K. S. Kardam Sr JC
HEAD OF OFFICE and Appellate Authority RTI
28034310, 25300202 kardam.ks@nic.in
2 Sh. Hardev Karar DC,
GL- E&G -Group-1, ISA/IPEA
25300204 karar.ipo@nic.in
3 Sh. N. R. Meena DC,
E&G Group-1
25300207 nrmeena.ipo@nic.in
4 Sh. B. P. Singh DC,
GL-E&G-Group-3
25300205 birendrap.singh@nic.in
5 Dr. S. S. Singh  DC, In charge-GPM, CPIO 011-25300208  ss.singh@nic.in
6 Dr. Rajesh. Dixit DC,
E&G-Group-1 and -ISA/IPEA (PCT)
25300209 dixit.rajesh@nic.in
7 Sh. Ashok Kumar AC,
E&G-Group-
25300211 ashokkumar.ipo@nic.in
8 Sh. Naveen Mathur AC,
GL-E&G-Group-4.
25300296 naveen.ipo@nic.in
9 Sh. Kamal Goondli DC,
(SA) Information Technology
25301220 kamal.singh@nic.in
10 Sh. Saroj Kumar DC,
E&G-E&G-Group-4.
25300294 sarojkumar.ipo@nic.in
11 Ms. V.Rekha DC,
Information Technology
25300210 rekha.ipo@nic.in
12 Sh. Sameer Kumar Swarup DC,
Information Technology 
25300213 sameer.swarup@nic.in
13 Sh. P.S.Rao AC,
E&G-Group-4.
25300293 srinivasa.ipo@nic.in
14 Dr. Nilanjana Mukherjee AC,
GL-E&G-Group-2.
25300285 nilanjana.m@nic.in
15 Sh. Vinod Kumar AC,
E&G-Group-4.
25300244 vkumar.ipo@nic.in
16 Smt. Monika Yadav, AC,
E&G-Group-2
25300215 ymonika.ipo@nic.in
17 Dr. Kavita Taunk AC,
E&G-Group-1
25300216 ktaunk.ipo@nic.in
18 Dr. Usha Rao AC,
E&G-Group-2-GPM +ISA/IPEA
25300206 drusharao.ipo@nic.in
19 Sh. Vikash Kumar AC,
Group-1, Head RECS Section
25300286 vikash.ipo@nic.in
20 Dr. Umesh C. Pandey AC,
E&G-Group-1,Incharge Designs Office
25300223 ucpandey.ipo@nic.in
21 Sh. Ananat Prakash Srivastava AC,
E&G-Group-3
25300292 anant.srivastava@nic.in
22 Sh. M Buchi Babu AC,
E&G-Group-4.
25300315 mbbabu.ipo@nic.in
23 Ms. Bimi G. B. AC,
Head-RMID (RO)
25300235 bimigb.ipo@nic.in
24 Dr. Rachna Nandwani AC,
E&G-Group-2
25300298 rachna.ipo@nic.in
25 Dr. Archana Gupta AC,
E&G-Group-1
  archana.ipo@nic.in
26 Dr. Shankar Dayal Bhatnagar AC,
E&G-Group-4.
24144517 bhatnagar.sd@gov.in

Chennai Patent Office - EPBAX No. 044-22502081-84

Sr. No. Name Designation Phone No. E-mail
1 Sh. R. Devan DC 22502080 d.rajagopalan@nic.in
2 Sh. R. Srinivas DC,
Head-RECS Section
25300219 srinivasr.ipo@nic.in
3 Sh. T.V. Madhusudhan DC 22502054 tvm.ipo@nic.in
4 Dr. S. P. Subramaniyan AC,
HEAD OF OFFICE and Appellate Authority RTI
22502039 spsubramaniyan@nic.in
5 Sh. C.N,Sashidhara AC,
GL-E&G-E&G-Group-4.
22502077 cns.ipo@nic.in
6 Sh. S.Thangapandian AC,
GL-E&G-E&G-Group-3
22502040 s.thangapandian@nic.in
7 Sh. M.Ajith AC,
E&G-E&G-Group-4.
22502070 ajithmani.ipo@nic.in
8 Sh. P.Balamurugan AC,
E&G-E&G-Group-4.
22502035 balamuruganp.ipo@nic.in
9 Sh. K.S.Hariram, AC,
Group-1
22502060 kshariram.ipo@nic.in
10 Sh. Anoop Kumar Joy, AC,
E&G-Group-1
22502081 anoopkjoy.ipo@nic.in
11 Sh. Oggu Prasad Rao AC,
Head -RMID Section (RO-PCT).
22502034 oggu.ipo@nic.in
12 Smt. J.Meena AC,
Group-1
22502081 jmeena.ipo@nic.in
13 Smt. Parveen Kausar Baig AC,
E&G-Group-4.
22502081 pkb.ipo@nic.in
14 Sh. V. Saravanan AC,
E&G-Group-3
22502055 saravanan.ipo@nic.in
15 Sh. B. Ahilan AC,
Group-1
22502050 ahilanb.ipo@nic.in
16 Sh. Soumen Das AC
CPIO
22502081 sdas.ipo@nic.in
17 Smt. M. Priyadharshini Rajan Babu AC,
Head - RECS Section.
22502081 priya.ipo@nic.in
18 Sh. V. Palaniswamy AC,
E&G-Group-3
22502081 pvpalaniswamy.ipo@nic.in
19 Sh. D. Thiyagaraja Guptha AC,
E&G-Group-3
22502081 dtgupta.ipo@nic.in
20 Dr. Sharana Gouda AC,
GL- E&G-Group-2
22502049 gouda.ipo@nic.in
21 Dr. Bindhu Jacob AC,
Group-1
22502081 bindhujacob.ipo@nic.in
22 Sh. K. Varaprasad AC
GPM & CPIO
- -
23 Sh. R. Rajini AC,
RMID & PCT-RO
- -
24 Sh. R. Manivasakam AC,
Head - RECS
- -
25 Sh. C. Naveen Andrew AC,
E&G-Group-3
25300215 andrew.ipo@nic.in
26 Sh. M Ravishankar AC,
E&G-Group
25300292 ravisankar.ipo@nic.in

Mumbai Patent Office - EPBAX No. 022-2418251-24101144

Sr. No. Name Designation Phone No. E-mail
1 Sh. N.K.Mohanty DC,
HEAD OF OFFICE , GL- Group-3
24153652 nk.mohanty@nic.in
2 Sh. N. Ramchander AC,
CPIO and Controller I/c- GPM Section
24172945 nrchander.ipo@nic.in
3 Dr. Amarendra Samal AC,
E&G- Group-1
24130744 asamal.ipo@nic.in
4 Sh. Vikash Sharma AC,
GL-E&G-Group-4.
24156395 vikashsharma.ipo@nic.in
5 Dr. Dinesh P. Patil AC,
GL-E&G-Group-2 and Drawing and Disbursing Officer (DDO)
24130755 dppatil.ipo@nic.in
6 Sh. Pinkesh K.Jain AC,
GL, E&G-Group-3
24156394 pkjain.ipo@nic.in
7 Sh. Pankaj Borkar AC,
E&G-Group-4
24144517 pborkar.ipo@nic.in
8 Sh. Yogesh V. Bajaj AC,
E&G--Group-3
24140145 yogeshbhajaj.ipo@nic.in
9 Sh. Bharat N.S. AC,
E&G--Group-1
24171457 bharatns.ipo@nic.in
10 Dr Ujjwala Haldankar Examiner of Patents & Designs, Head - RMID Section (RO-PCT)   rmidmum.ipo@nic.in
11 Er Santosh Mehtry Examiner of Patents & Designs, Head - RECS Section (Front Office)   recsmum.ipo@nic.in
12 Dr. Ajay Thakur AC,
E&G-Group-1
25300223 ajaythaku.ipo@nic.in
13 Sh. Vijay Doye AC,
E&G-Group-2
25300213 vijaydoye.ipo@nic.in

Abbreviation

  • Sr. JC: Senior Joint Controller of Patents & Designs
  • DC: Deputy Controller of Patents and Designs
  • AC: Assistant Controller of Patents and Designs.
  • GL: Group Leader (Head E & G)
  • E&G: Examination and Grant Section
  • Group 1: Chemistry and Allied Subjects
  • Group 2: Biotechnology, Microbiology and Allied subjects
  • Group 3: Electrical, Electronics & Related Subjects
  • Group 4 Mechanical Engineering and Other Subjects
  • RECS: Receipt, EDP, Classification and Screening
  • RMID: Record Management and Information Dissemination
  • GPM: General Patent Matters.
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