1)govt employee working in private organisation during the leave period amounts to misconduct and is ground for dismissal from service
2) rule 13 of " The all India services (conduct)rules, 1968
Rule 13. Private trade or employment.—(1) Subject to the provisions of sub-rule
(2), no member of the Service shall except, with the previous sanction of the
Government,—
(a) engage directly or indirectly in any trade or business, or
(b) negotiated for or undertake, any other employment, or
(c) hold an elective office, or canvass for a candidate or candidates for an
elective office, in any body, whether incorporated or not, or
(d) canvass in support of any business of insurance agency, commission
agency etc. owned or managed by any member of his family, or
(e) take part, except in the discharge of his official duties, in the
registration, promotion or management of any bank or other company
registered or required to be registered under the Companies Act,
1956 (1 of 1956), or any other law for the time being in force, or of any
co-operative society for commercial purposes.
17(f) Participate in, or associate himself in any manner, in the making of:—
(i) a sponsored media (including radio, television programme, or
(ii) a media programme commissioned by Government media, but
produced by an outside agency, or
(iii) a privately produced radio or television or other media
programme including a video magazine.
Provided that no previous permission shall be necessary in the case a
member of the service participates in a programme produced by the
Doordarshan on a subject dealt with by him in his official capacity.
18(g) Involve or engage himself in the registration, promotion, management
of other kinds of activities of any non-Governmental organization if the
same is aided by the Central Government, State Government or an
international organization or agency;
3) UP state govt service rules must be containing similar provision